[Q] Charging Nexus 9 while using OTG cable/usb hub? - Nexus 9 Accessories

As the title says, I want to charge my Nexus 9 while using a keyboard/mouse and other peripherals that I would have connected to the Nexus 9 through a USB hub. I know it is not always possible to charge through the hub, so I was thinking about something like a 'micro USB splitter" that expands the micro-USB port into 2 micro-USB ports: one for the charger that comes with the Nexus 9, and the second port for a OTG cable/usb hub/etc. Anyone have any thoughts on this?
I did read this post here for the Nexus 7 but not sure if the same is true for the Nexus 9.or if any additional options existed for the 9. Ultimately, I guess I'm wondering if it is unrealistic to expect to find something that charges the device at the same time as using a hub/OTG cable without too much modding or hassle? My device is rooted and I've flashed some mods and tweaked some things on previous devices I've had, but am by no means an expert so I would hope to keep the hacking/modding for something like this to a minimum, if possible. Plus, there's an outside chance I may return the Nexus 9 in the next week so I wouldn't want to get too crazy until I knew for sure I'd be keeping it.
I understand that a specific kernel with certain capabilities may be needed, but I'm unsure how to find out which kernel would work and if it would be compatible with stock ROM or CM12 (when it comes out). Any help would be greatly appreciated. Even if it's a pipe dream, I'd at least know not to continue to waste my time looking for a solution that doesn't exist

I tried this one a few days ago but it did not work: https://sites.google.com/site/sonicboomworld/my-projects/otg-and-charging
Maybe it's possible with the right resistor value.
Edit:
Mod for Nexus 7 - needs kernel support:
https://mehrvarz.github.io/usb-host-mode-power-management-nexus7/

Thanks for the reply - is this kernel still being supported by the dev and is it confirmed working on Nexus 9?

I don't know as i do not own a Nexus 7.
But even if he still supports this kernel it would not help much for the Nexus 9:
A kernel is very hardware specific and the OTG changing issues is even more hardware specific.
There is absolutely no chance that you can simply use the N7 kernel on the N9.
One of the amazing kernel developers (who owns a N9) here at XDA would have to look at it.
Generally I think for "OTG + charging" to work the USB chipset on the device has to support it and/or you have to find out how you could trick the device into enabling this mode (with a certain resistor on the USB connector and/or with a kernel modification).
The bad thing is that no device seems to support the official "USB Accessory Charger Adapter" specification. (see section "OTG micro plugs" here: https://en.wikipedia.org/wiki/USB_On-The-Go for details)

Just to give you more information, there was a nexus 7 kernel by flar2 called ElementalX which had OTG + charging support. He is working on ElementalX for Nexus 9 as well, and he said he may or may not add support for it. If you and maybe others are interested, I'm sure that it will get added upon request.

MWFD said:
As the title says, I want to charge my Nexus 9 while using a keyboard/mouse and other peripherals that I would have connected to the Nexus 9 through a USB hub. I know it is not always possible to charge through the hub, so I was thinking about something like a 'micro USB splitter" that expands the micro-USB port into 2 micro-USB ports: one for the charger that comes with the Nexus 9, and the second port for a OTG cable/usb hub/etc. Anyone have any thoughts on this?
I did read this post here for the Nexus 7 but not sure if the same is true for the Nexus 9.or if any additional options existed for the 9. Ultimately, I guess I'm wondering if it is unrealistic to expect to find something that charges the device at the same time as using a hub/OTG cable without too much modding or hassle? My device is rooted and I've flashed some mods and tweaked some things on previous devices I've had, but am by no means an expert so I would hope to keep the hacking/modding for something like this to a minimum, if possible. Plus, there's an outside chance I may return the Nexus 9 in the next week so I wouldn't want to get too crazy until I knew for sure I'd be keeping it.
I understand that a specific kernel with certain capabilities may be needed, but I'm unsure how to find out which kernel would work and if it would be compatible with stock ROM or CM12 (when it comes out). Any help would be greatly appreciated. Even if it's a pipe dream, I'd at least know not to continue to waste my time looking for a solution that doesn't exist
Click to expand...
Click to collapse
The company I work for is developing a OTG cable that does exactly that: lets you charge your phone/tablet while using a USB peripheral.
We are testing it in the UK market currently, but not selling in the US at the moment. You can check it out here: http://www.amazon.co.uk/Sansys-Char...F8&qid=1417298449&sr=8-1&keywords=usb+otg+mlc
We were thinking about doing a kickstarter or indiegogo for it, but not sure the amount of interest in a niche device like this.

Can you confirm that it is working on the Nexus 9? (and/or the Nexus 5)?
If it is, I'll order one immediately. I've been looking for such a thing since I had my Galaxy S2.

lfrst05 said:
Can you confirm that it is working on the Nexus 9? (and/or the Nexus 5)?
If it is, I'll order one immediately. I've been looking for such a thing since I had my Galaxy S2.
Click to expand...
Click to collapse
I can't confirm that it will work on the Nexus 9, but my partner from China is sending me a sample so I can try it out. I have a Nexus 9 and 5 also, and they'll be the first devices I will test it on.
We've also sent a couple out to some Youtube reviewers as well, so there may be a video review on them soon.

We just put up an Amazon US listing for this cable if any of you in the states want to try it out: http://www.amazon.com/dp/B00OLKFR44/
I should have one in hand in the middle of the week to test out.

mkygod said:
We just put up an Amazon US listing for this cable if any of you in the states want to try it out: http://www.amazon.com/dp/B00OLKFR44/
I should have one in hand in the middle of the week to test out.
Click to expand...
Click to collapse
I'm really excited to get my hands on one of these! let me know if it works.

mkygod said:
I can't confirm that it will work on the Nexus 9, but my partner from China is sending me a sample so I can try it out. I have a Nexus 9 and 5 also, and they'll be the first devices I will test it on.
We've also sent a couple out to some Youtube reviewers as well, so there may be a video review on them soon.
Click to expand...
Click to collapse
Sweet, this sounds awesome, let us know if it works :fingers-crossed:

mkygod said:
We just put up an Amazon US listing for this cable if any of you in the states want to try it out: http://www.amazon.com/dp/B00OLKFR44/
I should have one in hand in the middle of the week to test out.
Click to expand...
Click to collapse
This arrived from Amazon today. Unfortunately I can't get it to work. When the micro usb is plugged into the N9 it lights up blue. At that point I'm able to mount a thumb drive, use a mouse and Playstation controller. But once the other end is plugged into a charger the light goes off and whatever is connected stops working. The N9 begins to charge at that point. If plugged into my PC, same thing.
Note: the blue light goes off when other end is plugged in regardless of if anything else is in use.
BTW, running elementalX kernel and Lollipopalooza rom.

TSman74 said:
This arrived from Amazon today. Unfortunately I can't get it to work. When the micro usb is plugged into the N9 it lights up blue. At that point I'm able to mount a thumb drive, use a mouse and Playstation controller. But once the other end is plugged into a charger the light goes off and whatever is connected stops working. The N9 begins to charge at that point. If plugged into my PC, same thing.
Note: the blue light goes off when other end is plugged in regardless of if anything else is in use.
BTW, running elementalX kernel and Lollipopalooza rom.
Click to expand...
Click to collapse
I've heard some people say in certain other situations with OTG + charge, you need to plug everything in first, then plug the OTG cable into the device. Try that and see if it works?

saadi03 said:
I've heard some people say in certain other situations with OTG + charge, you need to plug everything in first, then plug the OTG cable into the device. Try that and see if it works?
Click to expand...
Click to collapse
Gave it a shot with this method but still a no go. Tried it on my phone as well with no luck.

TSman74 said:
Gave it a shot with this method but still a no go. Tried it on my phone as well with no luck.
Click to expand...
Click to collapse
Thats a bummer, thanks for the info.

Would we happen to need a kernel that supports simultaneous charging and data transfer? I bought a usb y cable and that only allows me to use one or the other. Which sucks .

Some devices have been known to work with only modified OTG cables such as galaxy tablets and experia phones.

What would this modification be?

I finally got a chance to test out these cables. I thought my first cable was busted so I ordered a 2nd one.
I'm VERY sorry to report that this cable does NOT support USB OTG AND CHARGING AT THE SAME TIME. It is not just your device.
Apparently, there was some miscommunication between me and by business associate in China that lead me to believe that this cable would function this way but it only functions as a USB OTG OR CHARGER CABLE. Language barrier didn't help since I do not speak Chinese and he does not speak English very well. If you read the description, the functionality of this cable is not very clear and obviously written by someone with English as a second language. And also, I can see how the photos can be misleading as well. He went and listed this product on our Amazon account to sell before he even sent me a sample for me to test out and I'm kinda mad at him for doing that.
I was pretty excited at the prospect of it doing OTG and charging at the same time, but now im dismayed that this cable cannot do it. This whole thing was a waste of time to try to bring a product like this to the US that bares little benefit other than being a 2 in 1 cable that can replace a regular USB OTG cable and a Charging cable (albeit a very short charging cable). Sorry that I got your hopes up guys
I do want to clarify exactly what this cable does though: Basically all it does is switch from Charging mode to USB OTG mode depending on how you have it plugged in. If you plug the cable into the mobile device only, the blue light will turn on, letting you know that you can use the USB OTG port. However, once you plug the other end of the cable into a charger, the blue light will turn off, and the cable goes into charging mode. The USB OTG port will not work or light up again until you remove the cable from your charger.

hey there everyone, i'm trying to understand this a bit more. i have the same cable, but my understanding is that it wont work unless the kernel supports it. does anyone know if this is possible to actually fix in the Nexus 9 kernel? i really need this for a project

Related

External Battery charger for TG01??

As per the thread title, I am looking for a battery charger for the TG01. I need one that will simply charge the battery (will need also a spare battery) - and just swap out the batteries as I go. I can't work with an external charger that connects via micro-usb (as I'm having issues with the micro-usb port and can't charge the phone! Therefore need another means of charging ASAP - and will come back and look at how to tackle fixing the micro-usb port at a later stage).
Anyone know where I can get such a thing???
Struggling to do so - so far in my www search....
You mean like this? http://www.ebay.co.uk/itm/Universal...700?pt=LH_DefaultDomain_3&hash=item3a6e594a7c
"Universal mobile battery charger" is what I looked for.
You can get better one's with digital readouts, but that is EXACTLY what I bought a few days ago to try and save my TG01 from a bad wm6.5. Just waiting for it to turn up.
@Scougar: Yes - I managed to get one in the end - off ebay. Hopefully it will arrive before the week is out - as I'm currently phone less!
Not good! Mine arrived today btw... Annoyingly no instructions on what the LED colours mean on it, or which terminal is positive and which negative.
btw.. mine says 850ma on it, so not the full 1000ma, but I can live with that.
I bought this on eBay - can´t paste the link here - look for - 1500mah Micro USB Back up Battery Charger + Cable for Toshiba TG01 TG 01
I am very satisfied when need to power battery out not having power adaptor. However I have totally 3 batteries and purchased also the solar power adaptor with internal battery.
Scougar said:
Mine arrived today btw... Annoyingly no instructions on what the LED colours mean on it, or which terminal is positive and which negative
Click to expand...
Click to collapse
I had the same problem re. instructions - but have got the hang of it. However, it's not a sufficient solution for me. It seems to take an absolute age to power up a battery. I have a spare battery - and even this isn't going to be enough.
I guess it's because of the way I use the phone - with connection to usb keyboard - to write emails...even though I remove the cable the moment the email has been written, it absolutely drains battery resources - RAPID!
I will have to try and get the micro-usb port fixed somehow. I've contacted toshiba to see if - first of all there is any warranty cover on the phone (i bought it off ebay - so not sure if covered or not).
Even if not covered, I'm unsure where to send it - or who can really fix this. Does anyone have any ideas? I am based in Ireland. Do Toshiba have a list of approved service centres??
You will just need to get a higher 'ma' rated charger then (so battery will charge faster).
BTW.. sounds stupid.. but have you tried another micro usb cable (a proper charging cable, rather than just a regular data transfer micro usb one?)
Scougar said:
You will just need to get a higher 'ma' rated charger then (so battery will charge faster).
Click to expand...
Click to collapse
Ok, thanks. IF i have no option but to keep using an external charger, may look at gettting another one.
Scougar said:
BTW.. sounds stupid.. but have you tried another micro usb cable (a proper charging cable, rather than just a regular data transfer micro usb one?)
Click to expand...
Click to collapse
I have tried a number of cables - that had been working at one stage but no longer work. However, they work when it comes to connecting to my usb keyboard.....just not working to charge the phone...
MICRO-USB Repair.
I'm a bit concerned about this - as someone has suggested to me that this can't be repaired - that it's 'terminal'. Can this really be the case????
Seems an awful waste of a phone if that's true....
borderfox said:
Ok, thanks. IF i have no option but to keep using an external charger, may look at gettting another one.
I have tried a number of cables - that had been working at one stage but no longer work. However, they work when it comes to connecting to my usb keyboard.....just not working to charge the phone...
MICRO-USB Repair.
I'm a bit concerned about this - as someone has suggested to me that this can't be repaired - that it's 'terminal'. Can this really be the case????
Seems an awful waste of a phone if that's true....
Click to expand...
Click to collapse
I'm not sure what "burn's out", so I wouldn't like to speculate, but the repair of the actual 'port' surely wouldn't be that hard even for an amateur solderer? Maybe it's something in a charging chip that's burnt out? Given that you can pick tg01's up for £50+ (I really am guessing here.. I've been drinking).. it probaly isn't worth the cost of a repair unless you do it yourself.
Scougar said:
I'm not sure what "burn's out", so I wouldn't like to speculate, but the repair of the actual 'port' surely wouldn't be that hard even for an amateur solderer? Maybe it's something in a charging chip that's burnt out? Given that you can pick tg01's up for £50+ (I really am guessing here.. I've been drinking).. it probaly isn't worth the cost of a repair unless you do it yourself.
Click to expand...
Click to collapse
The ruddy thing cost me €200 back then....can't remember for sure when -I think 9 months ago. Just checked ebay and they range from €110-€180. Pretty poor form - if they can't do the job for a couple of years at the very least.
Not sure where I stand as regards warranty - still waiting to hear back from toshiba support.
I don't feel that buying another one is the way to go - if they are flawed in this way. Furthermore, it makes me wonder about investing in a good phone - if they all have a point of weakness in terms of the micro-usb slot. Had a quick look at the nokia lumia at one stage last week....but if I'm using that port heavily (which i am - constantly swapping out between cable (for keyboard) and usb power cable....will the same thing happen?
If you are worried about over working the port, then just get an extension cable or try using a powered USB hub so you won't be swapping it out so often.
The micro usb port design is probably 'weak' compared to the mini USB port design, but it's what we are pretty much every phone on the market is now using. You could also use a USB keyboard.
I would only have considered about £75 for my phone (MODS: I can't sell it , I've bricked it... or as I like to say "I'm between operating systems at the moment" ;-) ) Point is, you can probably get one cheaper than you are seeing on ebay.
I think you are either better off with another phone, or getting a bigger battery, they question is whether you want to invest in the TG01 anymore, or get something else.
Scougar said:
If you are worried about over working the port, then just get an extension cable or try using a powered USB hub so you won't be swapping it out so often.
Click to expand...
Click to collapse
How can I use the powered usb hub exactly? I can plug the usb keyboard into it -then run a usb cable between the hub and the usb to micro-usb adaptor that then connects to the phone...is that correct?
Scougar said:
The micro usb port design is probably 'weak' compared to the mini USB port design, but it's what we are pretty much every phone on the market is now using. You could also use a USB keyboard.
Click to expand...
Click to collapse
This is what is also dampening down my enthusiasm for investing in another phone. It's a situational thing - and I don't really have any other option but to use a usb keyboard (I can't connect via bluetooth).
Scougar said:
I would only have considered about £75 for my phone (MODS: I can't sell it , I've bricked it... or as I like to say "I'm between operating systems at the moment" ;-) ) Point is, you can probably get one cheaper than you are seeing on ebay.
Click to expand...
Click to collapse
That's a savage rate of depreciation!
Scougar said:
I think you are either better off with another phone, or getting a bigger battery, they question is whether you want to invest in the TG01 anymore, or get something else.
Click to expand...
Click to collapse
As regards moving on to a new unit, I don't really want to go down this road for two reasons;
1. I don't think I have got my money's worth out of the spend on the TG01 - and while the work arounds are far from ideal - I am otherwise happy with the phone in principal
2. I fear making another big investment - only for the same thing to happen again (given that I will continue to use micro-usb port heavily
A bigger battery - I don't think is a possibility?? I know there was one oversized battery on the market for that phone - but it came with a new back cover for the phone also - as it was thicker than normal. It was expensive - and it's not really the route I wish to take. What I might do - is buy another battery. Then - with 3 batteries on the go - just keep charging them up on rotation at home.
Mickey mouse approach - but I don't see any other feasible way of handling it.
IF I did get another phone, I don't think it would be the TG01. It served its purpose at the time (and It will continue to do so - although more awkward now). However, I don't think this sort of failure should happen - and support should be better. Very hard to get a hold of someone in support - NO support in ROI - and necessary to mail the phone in to their UK service centre. In addition, just discovered that it's out of warranty.
There are some internal pictures of the TG01 floating around, it might be worthwhile trying to dig those up, and see if you can get a look at the USB connection points, and see if an amateur repair is possible.
EDIT: If you go to the following thread you will find internal pictures It looks to me like the port could be repaired if you have a fine enough soldering iron, or taped it up well enough. (As long as the problem isn't a 'trace' being burnt out... and we assume that the port itself has broken/come loose or needs replacement).
Can someone recommend a good quality external charger
Only a couple of weeks - and the external charger I got off ebay seems to be flaking!
Can anyone recommend a GOOD QUALITY external charger that I could order up - that will work well with TG01 batteries??
Have to say... that one I bought isn't the best quality. connection is 'iffy' now it seems.
Product review: 4/10. d'oh.
Scougar said:
Have to say... that one I bought isn't the best quality. connection is 'iffy' now it seems.
Product review: 4/10. d'oh.
Click to expand...
Click to collapse
I;ve been trawling the net - but they all seem the ruddy same! What would you buy if you had to go again?
Right now - at this moment - the charger is working again - but I spent half the day trying to get it to work up until now! I don't have great faith in it - and if it goes, I'm sans phone once again.
If I could get a reliable charger, I would be fairly happy. I've got into the routine of charging alternate batteries - so that system works (so I can squeeze the outlay on the phone back out of it - before I go and upgrade at a later stage).
The only other type of external charger I could find was this.
So....i've ordered one up....will post back whether it actually does the job or is another piece of sh1t!
borderfox said:
The only other type of external charger I could find was this.
So....i've ordered one up....will post back whether it actually does the job or is another piece of sh1t!
Click to expand...
Click to collapse
I bought this charger a few weeks ago, works perfectly.
tcampomanes said:
I bought this charger a few weeks ago, works perfectly.
Click to expand...
Click to collapse
Delighted to hear that. Hopefully this will provide the ultimate solution for my TG01 - and I can go on and use it for the next 12 months and get my $$ back out of it!
borderfox said:
Delighted to hear that. Hopefully this will provide the ultimate solution for my TG01 - and I can go on and use it for the next 12 months and get my $$ back out of it!
Click to expand...
Click to collapse
when I bought the charger the seller sent me this message:
Dear friend:
Do you know how to use the charger?
I'm sorry I don't have technical info in English.
How to use?
1/ without power put the battery in the charger, you can 360 rotation
the charger to fit your battery (no matter your battery is big or
small.)------------------- if the battery put well in the charger, the
light will go on blue.
the charger can Automatic detection of positive "+" and negative "-", so
just connect the "two pin" with "+" "-" of the battery.
2/ with power,(connect it with power)
Charging--------the light is red
Full charge-----the light is blue
--
When you receive the charger, if have any problem about "how to use" or
other problem please contact me and I will reply within 24 hours.
Thank you.
the seller was very helpful and sent to Spain was fast, 10 to 14 days.

[Q] MHL to HDMI Adapter not working?

I've bought a Digitazz MHL To HDMI Adapter, but no mater which ROM I try, no matter whether I try to connect my Sensation to my laptop or my TV......nothing happens.
I don't get any notification on the phone, nothing on the TV...arghhh, the frustration.
I know the HDMI cable i'm using is fine, as links up to my freeview box ok, blu-ray player ok and my TV.
Phone is plugged in and show as charging when my phone is linked up to TV.....tried retarting phone, different Sense 3.6 Roms etc..nothing is working.
Am I not doing something, or it it prob just a case of cheap rubbish MHL to HDMI adapter I bought?
Just HTC versions of the adapter work?
any Ideas...be very much appreciated as i've tried everything.
cheers
Matt
Attached pics of the MHL to HDMI I'm using.
I used 2 types of non htc adapters, both worked.
What power supply did you connect to the adapter? I think only 1a 5v will work for mhl..
Sent from my HTC Sensation using xda premium
In some roms HDMI will not work. Look in change log it will tell you if it's working or not. Usually its written in BUGS section. Check your current Rom to see if it's supported . If I remember correctly most don't work but you need to check and see if that could be the issue.
Sent from my HTC Sensation 4G using xda premium
realsis said:
In some roms HDMI will not work. Look in change log it will tell you if it's working or not. Usually its written in BUGS section. Check your current Rom to see if it's supported . If I remember correctly most don't work but you need to check and see if that could be the issue.
Sent from my HTC Sensation 4G using xda premium
Click to expand...
Click to collapse
MHL works on all the largely adopted roms, elegancia, ARHD etc.
Also, it's more a kernel thing than a rom actually.
The OP mentioned a couple of roms were tested. perhaps it would benefit the test to add stock as well just in case?
Sent from my HTC Sensation using xda premium
I'm also struggling with MHL on my Sensation. After searching the internet, the few tips I picked up that worked for others are:
1. You need to plug in power via the extra micro-USB port on the MHL adapter. Some have said that it needs a high-current power source (1A) which the HTC charger produces. 3rd party USB chargers sometimes output a lower current which some people find causes their MHL not to work. Also, using MHL seems to drain battery pretty quick and you need a high-amp power source to keep the phone charged or prevent it from draining too quickly.
2. If it is the first time using MHL, try plugging in the MHL(USB) to the phone then rebooting the phone. This is supposed to make your phone recognize and "activate" the MHL/HDMI capability(?).
3. I also read about playing around with TV settings. For one user with a Sony Bravia TV, he had to go to the tv settings -> external inputs -> HDMI and turn off HDMI device control or something.
4. Not all Sensation ROMs support MHL, for example CyanogenMod.
In my case, I bought a 3rd party MHL adapter and it didn't work the first time even with power connected to MHL. Then after (2) above, I finally saw the HDMI logo appear on the notification bar and it worked pretty well in my first 10mins of experimenting...nice picture with sound too. Then I tried playing another video and this time there was no sound from the TV. So I unplugged and reconnected the MHL connector from my phone and ever since then I have not been able to get MHL to work I'm using ARHD 3.6.1 ROM so I'm not sure if that is the problem. Still looking for solutions...
You might want to make sure that your TV actually supports MHL as not all do. I can't see how a laptop would support it, most don't even have a HDMI input?
The most trouble I've ever had with MHL is the sound sometimes doesn't work, but just unplugging then replugging the phone cures this.
BMamba550 said:
....
In my case, I bought a 3rd party MHL adapter and it didn't work the first time even with power connected to MHL. Then after (2) above, I finally saw the HDMI logo appear on the notification bar and it worked pretty well in my first 10mins of experimenting...nice picture with sound too. Then I tried playing another video and this time there was no sound from the TV. So I unplugged and reconnected the MHL connector from my phone and ever since then I have not been able to get MHL to work I'm using ARHD 3.6.1 ROM so I'm not sure if that is the problem. Still looking for solutions...
Click to expand...
Click to collapse
I finally managed to solve my MHL problem by flashing ARHD 3.6.8 ROM...so in my case it seemed to be the ROM version that didn't work well with MHL. It mirrors my phone screen pretty well although Sensation resolution is quarter-HD so on my HD TV the picture is less sharp, but acceptable.
boomboomer said:
You might want to make sure that your TV actually supports MHL as not all do. I can't see how a laptop would support it, most don't even have a HDMI input?
The most trouble I've ever had with MHL is the sound sometimes doesn't work, but just unplugging then replugging the phone cures this.
Click to expand...
Click to collapse
I have this same problem, my adapter works and shows on my phone that it connected but my TV does not support MHL as only certain TV's actually support this standard, and oh plus that fact that my current ROM doesnt support it
My Laptop has a HDMI connection and so does my HD TV....but didn't know the TV had to support MHL....I just thought it was a case of if it's a HD TV, with HDMI connections, then it would work?
Hmmm....I'm not getting ANYTHING in my notification area on my phone either though.
Gonna try some of these suggestions and will report back.
Ps: As far as Chargers and power sources etc...all mine are HTC Genuine ones.
Thanks for help guys....will be back soon, coz i'm off to experiment..hehe:laugh:
Matt
matthew33 said:
My Laptop has a HDMI connection and so does my HD TV....but didn't know the TV had to support MHL....I just thought it was a case of if it's a HD TV, with HDMI connections, then it would work?
Hmmm....I'm not getting ANYTHING in my notification area on my phone either though.
Gonna try some of these suggestions and will report back.
Ps: As far as Chargers and power sources etc...all mine are HTC Genuine ones.
Thanks for help guys....will be back soon, coz i'm off to experiment..hehe:laugh:
Matt
Click to expand...
Click to collapse
Hope all goes well in your test's, My process was to power up the adapter first using my genuine htc charger first then plus in the HDMI cable from the adapter to the TV then plug the adapter into the phone last. If it does not show up on the phone notification bar to begin with restart your phone with it all still plugged in failing all of that then time for a new ROM and kernel probably Good luck
hoaxy32 said:
Hope all goes well in your test's, My process was to power up the adapter first using my genuine htc charger first then plus in the HDMI cable from the adapter to the TV then plug the adapter into the phone last. If it does not show up on the phone notification bar to begin with restart your phone with it all still plugged in failing all of that then time for a new ROM and kernel probably Good luck
Click to expand...
Click to collapse
Cheers for reply, but tried differerent Roms and kernels...nothing happening.
I give up.
Matt
I've got a similar problem where not matter what ICS ROM or kernel I used it wouldn't work.
(see http://forum.xda-developers.com/showpost.php?p=31797423&postcount=17)
However, in my case, it works fine with GB connected to a Sharp TV, but for some reason not ICS!
It also works fine with ICS connected to other TVs (tested on Samsung and LG) and on a PC monitor (through HDMI to DVI cable).
Just not with the Sharp TV!
Very frustrating!
hey guys, i have been trying to get this to work but all to no avail have tried the suggestions, all of the kernels i can find ect but i am just not having any luck. i am also not having any joy with usb-otg. could the 2 be linked?
Just a couple of thoughts. I've only skimmed the thread so I apologise if I'm repeating something mentioned earlier.
I can confirm that NRG's current EnergyROM which features a stock kernel and Sense 3.6 works with MHL (at the moment MHL doesn't work on any Sense 4 ROMs as far as I'm aware).
Also, I recently visited my folks and tried to show off some photos on their TV. For some reason MHL would only work on ONE of its four HDMI ports. I didn't have the time to figure out why, but there you go. Maybe those having difficulties could visit a tv shop and try plugging their phone into a variety of tvs for troubleshooting purposes.
Other things to note: On some TVs my MHL connection works at 720p and 60hz (which is good). On others it runs at 1080i at 24hz which makes for a crappy experience (jerky).
ICS ROMs have greatly improved performance when using MHL so steer clear of gingerbread.
MIUI ROMs should also support MHL (I've tried a couple).
Finally, I sometimes use a battery pack that I bought via Amazon to power the MHL connection when I'm out and about. If you decide to experiment this way, make sure you buy an external battery that has a 1 amp output per USB port.
I'm typing this with a bluetooth keyboard while my phone is connected to my tv, so it can work : ) I bought this MHL adapter: http://www.amazon.co.uk/FoneM8-MHL-Cable-microUSB-HDMI/dp/B0060Z8CYK
---------- Post added at 12:09 AM ---------- Previous post was at 12:03 AM ----------
heavy_metal_man said:
hey guys, i have been trying to get this to work but all to no avail have tried the suggestions, all of the kernels i can find ect but i am just not having any luck. i am also not having any joy with usb-otg. could the 2 be linked?
Click to expand...
Click to collapse
I've only tried USB on the go once, using a dedicated USB on the go cable for a Galaxy SII and a small externally powered four port hub in conjunction with Sebsatian FM's kernel and the most recent EnergyROM. I was able to browse a flash drive and connect a wireless keyboard and mouse. I couldn't really see the point as you can't use MHL at the same time, and you have to provide external power (unlike, for example, the Galaxy Note which will allow you to plug flash drives etc into the adapter without external power).
Ouzo said:
Just a couple of thoughts. I've only skimmed the thread so I apologise if I'm repeating something mentioned earlier.
I can confirm that NRG's current EnergyROM which features a stock kernel and Sense 3.6 works with MHL (at the moment MHL doesn't work on any Sense 4 ROMs as far as I'm aware).
Also, I recently visited my folks and tried to show off some photos on their TV. For some reason MHL would only work on ONE of its four HDMI ports. I didn't have the time to figure out why, but there you go. Maybe those having difficulties could visit a tv shop and try plugging their phone into a variety of tvs for troubleshooting purposes.
Other things to note: On some TVs my MHL connection works at 720p and 60hz (which is good). On others it runs at 1080i at 24hz which makes for a crappy experience (jerky).
ICS ROMs have greatly improved performance when using MHL so steer clear of gingerbread.
MIUI ROMs should also support MHL (I've tried a couple).
Finally, I sometimes use a battery pack that I bought via Amazon to power the MHL connection when I'm out and about. If you decide to experiment this way, make sure you buy an external battery that has a 1 amp output per USB port.
I'm typing this with a bluetooth keyboard while my phone is connected to my tv, so it can work : ) I bought this MHL adapter: http://www.amazon.co.uk/FoneM8-MHL-Cable-microUSB-HDMI/dp/B0060Z8CYK
---------- Post added at 12:09 AM ---------- Previous post was at 12:03 AM ----------
I've only tried USB on the go once, using a dedicated USB on the go cable for a Galaxy SII and a small externally powered four port hub in conjunction with Sebsatian FM's kernel and the most recent EnergyROM. I was able to browse a flash drive and connect a wireless keyboard and mouse. I couldn't really see the point as you can't use MHL at the same time, and you have to provide external power (unlike, for example, the Galaxy Note which will allow you to plug flash drives etc into the adapter without external power).
Click to expand...
Click to collapse
thank you for your chip in pal but i am still having no joy, jumped straight to the latest energy rom, installed and hooked up but no joy. i have tried both ports, rebooting with the cable in, different power sources. nothing. im beginning to think its gonna be my phone i will test this out when i get into work, as we have a hd tv there as well (allowing i get the time ) but im starting to lose hope would be so epic to be able to put my emulators onto the big screen and have goldeneye mulitlpayer matches at lunch in work
heavy_metal_man said:
thank you for your chip in pal but i am still having no joy, jumped straight to the latest energy rom, installed and hooked up but no joy. i have tried both ports, rebooting with the cable in, different power sources. nothing. im beginning to think its gonna be my phone i will test this out when i get into work, as we have a hd tv there as well (allowing i get the time ) but im starting to lose hope would be so epic to be able to put my emulators onto the big screen and have goldeneye mulitlpayer matches at lunch in work
Click to expand...
Click to collapse
That's weird. Got any mates with MHL enabled phones you can try your adapter on? I hate problems like this, they drive you mad and you end up doubting pretty much everything you've tried. Seriously though, you do realise MHL only works on the third Thursday of the month and if you wear underpants on your head, yeah? Oh, and stand on one leg ; ) Good luck.
Other than trying that different tv at work and possibly a different HDMI cable and MHL adapter, I'm not sure what else to suggest.
Ouzo said:
That's weird. Got any mates with MHL enabled phones you can try your adapter on? I hate problems like this, they drive you mad and you end up doubting pretty much everything you've tried. Seriously though, you do realise MHL only works on the third Thursday of the month and if you wear underpants on your head, yeah? Oh, and stand on one leg ; ) Good luck.
Other than trying that different tv at work and possibly a different HDMI cable and MHL adapter, I'm not sure what else to suggest.
Click to expand...
Click to collapse
its definately beginning to feel like that. my friend in work has an gs2, which i believe is mhl enabled. so tomorrow when i get into work i will try steal hm and the hdtv in work and see if i can get anywhere. at this point its either my £230 hdtv ()
my £360 phone () or my ****ty as mhl adapter from ebay /)
i guess we shall see tomorrow :/ will be gutted if its the phone. just out of interest has anyone got this going on the XE version of the sensation? as this is what i have.
still, thanks for your input bruce said that he is going to look into fixing the mhl on his CMX nightly, so if we can get this going i will be in emulator heaven
(off topic but XDA just censored me =0 automatically =O)
heavy_metal_man said:
its definately beginning to feel like that. my friend in work has an gs2, which i believe is mhl enabled. so tomorrow when i get into work i will try steal hm and the hdtv in work and see if i can get anywhere. at this point its either my £230 hdtv ()
my £360 phone () or my ****ty as mhl adapter from ebay /)
i guess we shall see tomorrow :/ will be gutted if its the phone. just out of interest has anyone got this going on the XE version of the sensation? as this is what i have.
still, thanks for your input bruce said that he is going to look into fixing the mhl on his CMX nightly, so if we can get this going i will be in emulator heaven
(off topic but XDA just censored me =0 automatically =O)
Click to expand...
Click to collapse
The SII is definitely MHL enabled (well on the stock ROM at any rate) - I hope it doesn't work so at least then it's hopefully just a £10 mhl adapter and not the phone or tv ; )
Ouzo said:
The SII is definitely MHL enabled (well on the stock ROM at any rate) - I hope it doesn't work so at least then it's hopefully just a £10 mhl adapter and not the phone or tv ; )
Click to expand...
Click to collapse
OK so apparently plugging my phone in at work counts as theft of electricity and I can get sacked for it
So I may take longer to find a HDTV and another test device :banghead:
Sent from my HTC Sensation using xda premium
heavy_metal_man said:
OK so apparently plugging my phone in at work counts as theft of electricity and I can get sacked for it
So I may take longer to find a HDTV and another test device :banghead:
Sent from my HTC Sensation using xda premium
Click to expand...
Click to collapse
LOL, you must work for the NHS or local government or something. Still, you made my girlfriend and I laugh : ) Maybe try a Currys or a Richer Sounds or something. There's bound to be someone in there with a decent smartphone, and there will be plenty of TVs to try too! If they haven't got a clue what you're on about, you might just educate them a bit ; )

USB OTG killed my S3

I'm just posting for brief warning/general info for you guys. When I got to work tonight I plugged in my USB OTG cable which I have been using w/ no issues on both my N7 and S3 since July and then plugged in a 64gb flash drive that I have also been using since launch. When I plugged in the flash drive, I heard a pop, the screen went blank and the phone is totally dead. A quick search showed while this isn't incredibly common, it has happened to several people. Most blamed the OTG cable, but I disceted mine and it had no broken wires and no shorts. I turned up a thread on root wikiz that basically said that it is the power management IC self destructing and there is nothing that can be done to repair it. So, just a heads up if you use OTG-- I am not sure I will use it again on this phone as it seems it is just a matter of time...
Later,
Jason
jacampb2 said:
I'm just posting for brief warning/general info for you guys. When I got to work tonight I plugged in my USB OTG cable which I have been using w/ no issues on both my N7 and S3 since July and then plugged in a 64gb flash drive that I have also been using since launch. When I plugged in the flash drive, I heard a pop, the screen went blank and the phone is totally dead. A quick search showed while this isn't incredibly common, it has happened to several people. Most blamed the OTG cable, but I disceted mine and it had no broken wires and no shorts. I turned up a thread on root wikiz that basically said that it is the power management IC self destructing and there is nothing that can be done to repair it. So, just a heads up if you use OTG-- I am not sure I will use it again on this phone as it seems it is just a matter of time...
Later,
Jason
Click to expand...
Click to collapse
From another forum...but saw your thread. Does this mean your phones is screwed or just the charger?
Jarmezrocks said:
From another forum...but saw your thread. Does this mean your phones is screwed or just the charger?
Click to expand...
Click to collapse
Phone
Sent from my Galaxy SIII
Which USB cable did u use?
Sent from my SGH-T999 using xda premium
jacampb2 said:
I'm just posting for brief warning/general info for you guys. When I got to work tonight I plugged in my USB OTG cable which I have been using w/ no issues on both my N7 and S3 since July and then plugged in a 64gb flash drive that I have also been using since launch. When I plugged in the flash drive, I heard a pop, the screen went blank and the phone is totally dead. A quick search showed while this isn't incredibly common, it has happened to several people. Most blamed the OTG cable, but I disceted mine and it had no broken wires and no shorts. I turned up a thread on root wikiz that basically said that it is the power management IC self destructing and there is nothing that can be done to repair it. So, just a heads up if you use OTG-- I am not sure I will use it again on this phone as it seems it is just a matter of time...
Later,
Jason
Click to expand...
Click to collapse
This happened to me. Verizon will warranty the phone. I wondered what actually blew up in the hardware. I am surprised it hasn't happen to more people, seeing how you really don't have any control over whether it blows up or not.
RotaryXperiment7 said:
Which USB cable did u use?
Click to expand...
Click to collapse
This. I just ordered one lol.
jacampb2 said:
I'm just posting for brief warning/general info for you guys. When I got to work tonight I plugged in my USB OTG cable which I have been using w/ no issues on both my N7 and S3 since July and then plugged in a 64gb flash drive that I have also been using since launch. When I plugged in the flash drive, I heard a pop, the screen went blank and the phone is totally dead. A quick search showed while this isn't incredibly common, it has happened to several people. Most blamed the OTG cable, but I disceted mine and it had no broken wires and no shorts. I turned up a thread on root wikiz that basically said that it is the power management IC self destructing and there is nothing that can be done to repair it. So, just a heads up if you use OTG-- I am not sure I will use it again on this phone as it seems it is just a matter of time...
Later,
Jason
Click to expand...
Click to collapse
Sorry to here about your phone. I was jut about to go buy one of these cables.
This same thing happened to my phone a few weeks ago. It went totally dead out of nowhere, I was taking photos at the time.
You shouldn't have a problem getting a replacement even if you don't have insurance.
Good Luck
I have heard stories about that happening, though its not common, it is surprising that its so low considering its random and no one knows exactly what causes it
at least you don't have to factory restore before returning
Sorry guys, I just woke up. Was on graveyard shift last night. Anyhow, the cable was a generic ebay right angle otg cable, about 5" or so in length. I am 99% certain it had nothing to do with the cable though, just a hardware problem. As mentioned above I dissected the cable and it had no problems. I could still use it on my Nexus 7 with no issues. I had the cable plugged in before inserting the flash drive and it was fine until the flash drive was plugged it.
The Root Wikiz thread I mentioned said that someone had sent theirs in to be Jtag'ed thinking it was just hard bricked. The response from the people where he sent it was that they had seen a number of them with the PMIC damaged and that there was nothing that their services could do for them.
My guess is there are some marginal PMIC's out there and that when they switch the port from charge to host mode they just cant take the current and pop. The fact that I made it nearly 5 months using the same OTG cable on a regular basis kind of lends credence to this theory, but who knows. All I know is that it was totally dead, absolutely no signs of life regardless of what I tried.
FWIW I was rooted and running paranoid android, but I have found reports of this happening to bone stock phones as well as any variation of ROM. Verizon did warranty the device. Oddly, the tech told me "I have never heard of this happening" but didn't even ask me to try anything with the phone, he just said that they would ship me a new one for warranty replacement.
New device is here, I'm off to root and unlock! Good luck guys.
Later,
Jason
jacampb2 said:
Sorry guys, I just woke up. Was on graveyard shift last night. Anyhow, the cable was a generic ebay right angle otg cable, about 5" or so in length. I am 99% certain it had nothing to do with the cable though, just a hardware problem. As mentioned above I dissected the cable and it had no problems. I could still use it on my Nexus 7 with no issues. I had the cable plugged in before inserting the flash drive and it was fine until the flash drive was plugged it.
The Root Wikiz thread I mentioned said that someone had sent theirs in to be Jtag'ed thinking it was just hard bricked. The response from the people where he sent it was that they had seen a number of them with the PMIC damaged and that there was nothing that their services could do for them.
My guess is there are some marginal PMIC's out there and that when they switch the port from charge to host mode they just cant take the current and pop. The fact that I made it nearly 5 months using the same OTG cable on a regular basis kind of lends credence to this theory, but who knows. All I know is that it was totally dead, absolutely no signs of life regardless of what I tried.
FWIW I was rooted and running paranoid android, but I have found reports of this happening to bone stock phones as well as any variation of ROM. Verizon did warranty the device. Oddly, the tech told me "I have never heard of this happening" but didn't even ask me to try anything with the phone, he just said that they would ship me a new one for warranty replacement.
New device is here, I'm off to root and unlock! Good luck guys.
Later,
Jason
Click to expand...
Click to collapse
Wow, that sucks, but I am glad you got another S3. I have been using this one that I got from Amazon. It has a couple of usb ports and 2 card readers. I have been very happy with it. It is extremely useful when I am at family functions, and everyone has taken a lot of pictures and video. I can grab their cards and pull the pics and video onto my 64 Gig SD card on my phone. People are amazed I can do this with my phone! However, now I am a little worried about using it. I will keep this in mind, and only use it on the occasions that I really need it. Thanks for the heads up!
Rob
my s3 discharging immediately
hi everybody....
i have an issue with my s3....i make an OTG cable and plug it into my s3...and i just can get power from it,no data.
but i think the s3 is already wasting power and i must charging it after a day.
can anybody help me!!!!!
arminghm said:
hi everybody....
i have an issue with my s3....i make an OTG cable and plug it into my s3...and i just can get power from it,no data.
but i think the s3 is already wasting power and i must charging it after a day.
can anybody help me!!!!!
Click to expand...
Click to collapse
One day charge is normal if using phone. If gonna use OTG you are overusing and can expect 1/2 day. Buy good cable if want data.
I had something similar happen except, my usb sent a static spark from my oc to my phone. Didn't fry it completely, but messed up something that would no longer dock to pc, dock to car our go into deep sleep.
Wonder if the two issues are related.
Be sure to discharge any static in you usb called before plugging them into your phone.
Sent from my SCH-I535 using xda app-developers app
prdog1 said:
One day charge is normal if using phone. If gonna use OTG you are overusing and can expect 1/2 day. Buy good cable if want data.
Click to expand...
Click to collapse
your right..but its used for 3 days....i bought an otg cable and use it...thats amazing...i can use mouse,keyboard and other devices in my s3.
but i still have my problem...
my s3 is in flight mode and and doesnt do anything...but its discharging..and i dont know the problem is sent from my os or my hardware..
idont kno that the os is screwed up or is something wrong with battery.
is there any command that tell os to dont discharging???
i love my s3 so much
arminghm said:
your right..but its used for 3 days....i bought an otg cable and use it...thats amazing...i can use mouse,keyboard and other devices in my s3.
but i still have my problem...
my s3 is in flight mode and and doesnt do anything...but its discharging..and i dont know the problem is sent from my os or my hardware..
idont kno that the os is screwed up or is something wrong with battery.
is there any command that tell os to dont discharging???
i love my s3 so much
Click to expand...
Click to collapse
Discharging is what the battery always does when not plugged into A/C power and turned on, and even sometimes when it is plugged into A/C power (when you get in the top 10% of full it starts going through discharge/charge cycles to keep it within the top 10% of power but never totally full. This prevents overcharging and explosions)
That said:
A sudden reduction in the runtime for the battery under the same average load is almost always the battery going bad.
If you mean the battery doesn't last as long because you now use OTG - those things you plug into the phone need to get their power somewhere. The phone battery is it.
So now you are powering the phone + whatever other things you attach to it. Some of them can drain a lot more power then you might think. You just never noticed much (if at all before) because your total reserves weren't such a tiny amount.
If you stop using OTG devices and your battery capacity bounces right back up to where it was before, then you can reasonably infer the extra gadgets are the culprit.
(if you stop OTG stuff for a few days and the battery still sucks when before it didn't, probably need to buy a new battery because yours is most likely shot.)
Assuming it seems to work fine...
So two choices, right? No accessories and lots of battery life, or lots of accessories and no power to run them with.
well...not really:
It's probably not always possible - but how often do you use OTG near A/C power?
Whenever you are near somewhere you can plug in, the first thing you should plug into your OTG cable (besides the phone) is a USB hub with a power cord.
...and really, if you want to use those power hungry USB hard drives and things like that, then you really can't without taking the stress off of the phone of supplying that power - that hard drive just half spins up like a car that cranks but won't start.
Every crank in that car wears the battery down and beats up the starter when it doesn't fire up the engine. Just like every spin up but not quite read of the hard drive puts incredible load on the S3 to try to throw enough current at it fast enough to keep it happy. Just beating it up for nothing.
Which brought me to what I wanted to bring up for some consideration:
Think about trying to use a powered hub whenever you can as the first thing off the OTG cable, should take an immense amount of stress off of the S3 in making it all work.
Bet at the least you reduce the risk of popping since the power spikes will be much less - that powered hub is a pretty solid buffer for that kind of stuff when you are constantly popping flash drives in and out.
I remember way back when for the Nook Color when some really sharp people made OTG happen out of the thin air - no way Barnes & Noble had that on even a remote list of possibilities when they were ready to throw the device to the masses and see what happened.
If you wanted to use more then the smallest of thumb drives you needed a powered hub. The device wasn't designed for it, and simply wasn't able to squeeze more then a paltry amount of power out in reverse. (but it was just enough to talk to a powered hub...)
Anywhere that you can plug in your powered buffer should contribute to avoiding the problem the OP posted about. The thought experiment (hopefully) growing from this post? How much truth does this theory exhibit?
Edit: Totally missed this post:
arminghm said:
hi everybody....
i have an issue with my s3....i make an OTG cable and plug it into my s3...and i just can get power from it,no data.
but i think the s3 is already wasting power and i must charging it after a day.
can anybody help me!!!!!
Click to expand...
Click to collapse
Here you say you made an OTG cable, the first post I quoted you in you said you bought one. If you made it, i'd say that is your problem.
The quality of the cable you use absolutely matters. Higher quality parts = higher quality results.
I have a bunch of micro USB cables (as i'm sure many of you do also - ) ... and from some of them I get an absolute night/day result in charging.
Some cables (mostly the ones from the dollar store or older cables) just plain suck. They can't bring enough power from the same A/C adapter as my OEM HTC/Samsung cables. (I have some motorolla OEM cables from around the time of the droid X launch - they are closer to the dollar store cables in quality - haven't tried recent motorolla OEm cables, hopefully they got better or I got a bad batch over a six month period)
Using the low quality cables I can absolutely lose power plugged in just being a wifi hotspot with the screen on, until it eventually goes critical and dies. (this I tend to notice when my pc banished to the corner of nowhere loses all network connectivity) - whereas with the HTC/Samsung cables from within the last two years keep me near full with that being the only difference.
I'd rather have a few good cables then a bag full of POS dollar store ones. That little bit better material, little bit tighter QC adds up to a big difference in the final outcome.
This same thing happened to me when I plugged the same type of cheap right elbow OTG cable from ebay into my brand new S3 (2 days old with about one hour of usage). The cable worked fine with USB drives, a mouse, or a keyboard used alone on the S3. The cable was plugged into a USB 4 port hub with multi-card reader. The screen was off when I plugged it in so it appeared to just be off. Any attempts to power it on were fruitless. I smelt the phone right afterward and there wasn't any burnt smell. Plugging in the phone resulted in it getting pretty warm but not to an extreme yet the battery remained cool. It appears to have burnt something between the battery and lines but leaving the components intact thus causing the excess of heat. BTW the hub/reader is fine. I won't be using that again on my new one but I will be attempting to use a different hub that has been working fine on my wife's RAZR MAXX HD. Just hope this is a very isolated incident and not a bad batch from the retailer.
Edit: The S3 is a blue 16G Verizon model. The S3 was on stock ROM when this happened (not like that would prevent death from inferior circuit protection components).
Were you using a powered hub, or passive hub?
Anyone tried a DAC off the OTG cable?
BowDown said:
Were you using a powered hub, or passive hub?
Anyone tried a DAC off the OTG cable?
Click to expand...
Click to collapse
Don't do it. I've fried 2 GS3s with a UCA-220 DAC over otg.
First time with a regular OTG cable, the second time with a OTG/phone charging cable, the power came unplugged and zap. I'm lucky Verizon has replaced the phone two times.
I think the best solution is to completely isolate the DAC power from the phone power. A circuit to charge the phone with the otg/charge cable and a separate circuit to power the DAC.
uber_mike said:
Don't do it. I've fried 2 GS3s with a UCA-220 DAC over otg.
First time with a regular OTG cable, the second time with a OTG/phone charging cable, the power came unplugged and zap. I'm lucky Verizon has replaced the phone two times.
I think the best solution is to completely isolate the DAC power from the phone power. A circuit to charge the phone with the otg/charge cable and a separate circuit to power the DAC.
Click to expand...
Click to collapse
Wouldn't use of a powered usb hub remove any power issues? I purchased a OTG cable today.. I had planned to connect it to a powered hub, and run the DAC off that?

MHL OTG

Does anyone have an idea whether its possible to use MHL + OTG with charging on the Skyrocket? Whether it be stock or an aftermarket rom/kernel doesn't matter. I can't seem to find a definitive answer on this phone, but I'm leaning toward not possible.
This is what I planned on ordering. http://www.amazon.com/gp/product/B009LAZG2M/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1
I would assume since the MHL adapter puts the device in charge mode, it wouldn't read the attached usb device (if using a hub or y adapter) since it is not in Host mode. Any have any experiance with this or have any links they can provide. It would be much appreciated!
kennyry said:
Does anyone have an idea whether its possible to use MHL + OTG with charging on the Skyrocket? Whether it be stock or an aftermarket rom/kernel doesn't matter. I can't seem to find a definitive answer on this phone, but I'm leaning toward not possible.
This is what I planned on ordering. http://www.amazon.com/gp/product/B009LAZG2M/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1
I would assume since the MHL adapter puts the device in charge mode, it wouldn't read the attached usb device (if using a hub or y adapter) since it is not in Host mode. Any have any experiance with this or have any links they can provide. It would be much appreciated!
Click to expand...
Click to collapse
I have the same cable and mhl works as long add the rom supports it. As for your question I found this http://forum.xda-developers.com/showthread.php?t=1741583&page=21 and on the last page there is a link for someone who got it to work on as3 however our phones have different pin configuration but you should be able to do the same thing as him
OTG while using MHL sounds like a great way to fry something important on your phone. it's clear the note 2 had something like this in mind with the smart dock. it looks like the smart dock works with the S3 so it could be that the way they designed the usb port it all just works as needed for this.
I'm interested in the usecase/motivation for doing both at the same time if you don't mind sharing.
lart2150 said:
OTG while using MHL sounds like a great way to fry something important on your phone. it's clear the note 2 had something like this in mind with the smart dock. it looks like the smart dock works with the S3 so it could be that the way they designed the usb port it all just works as needed for this.
I'm interested in the usecase/motivation for doing both at the same time if you don't mind sharing.
Click to expand...
Click to collapse
Well my Skyrocket screen was destroyed by my youngest son So, I had an idea to use the old phone with the MHL adapter to connect to my TV (which is not a smart TV). The need for the OTG is to plug in peripherals such as kb/mouse, but after further review, i could probably just use bluetooth. The device itself doesn't need to have much storage really, all of the movies are being streamed from my mini home server (DLNA).
So instead of going out and spending 60 on a smart TV adapater, I figured I would try to make use of what I already had, a phone with a broken screen. I'm not even sure the digitizer works and I was unable to find a replacement screen a decent price. The phone has already been replaced with a Nexus 4, so I'm not really concerned with the "safety" of the skyrocket.
I think it would be nice to use it as a TV adapter, surf net, play games watch movies while in bed using a wireless mouse/keyboard.
You would think there would already be something like this out there...
I came across this, then noticed their statement "Use Bluetooth keyboard for wireless control" Which really tells me no OTG... and heard was broken ha.
http://www.amazon.com/iBolt-Streamer-MHL-Charging-Dock/dp/tech-data/B0094M3DZY/ref=de_a_smtd

Otg with charging

Hey guys, I'm fixing to refunction an original Pixel as a 3D printer server (Octoprint), and OTG works a treat, however I cannot keep the phone charged while using OTG.
Is there a working solution for this? I don't mind getting my hands dirty.
Thanks y'all.
It's a bit finicky, you just have to find the right usb-c hub that supports charging and OTG.
one thing I noticed was the usb-c hub I am using supports passthrough PD charging (your pixel stock charger is a PD charger). if your usb-c pd charger power output is too high, i think it might run into issues with the hub.
by chance, my usb-c hub that supports passthrough PD charging is paired with a generic charger.... both the charging and OTG function may sometimes take a few connection attempts to get it working.... trying different combination of plugging in the charger to the hub, OTG device (i use a microsdxc card reader) and plugging into the pixel.
all i can say is good luck!
WhereCoffeeFlowsLikeMud said:
Hey guys, I'm fixing to refunction an original Pixel as a 3D printer server (Octoprint), and OTG works a treat, however I cannot keep the phone charged while using OTG.
Is there a working solution for this? I don't mind getting my hands dirty.
Thanks y'all.
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Click to collapse
hey just wanted to say, funny I should find this thread because I'm trying to achieve the exact same thing (Octoprint server) with an old Galaxy Note 4, and can't for the life of me figure out why OTG charging/data would be disabled. Did you manage to figure out a fix?
peanutismint said:
peanutismint said:
hey just wanted to say, funny I should find this thread because I'm trying to achieve the exact same thing (Octoprint server) with an old Galaxy Note 4, and can't for the life of me figure out why OTG charging/data would be disabled. Did you manage to figure out a fix?
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Click to collapse
Click to expand...
Click to collapse
Alas, nope - not without soldering directly to the main board. I just gave AliExpress $15 instead and they gave me a Rockchip-based MXQ Pro Android TV box in return (that sits under my printer). I parked Armbian Linux on it, then plugged in a webcam. Working like a dream. Thinking of switching to Klipper at some point, so going the TV box route was probably for the best (on account of the 4 CPU cores, loadsa RAM and internal storage, and the four or five USB ports).
Ps, sorry about the formatting - my phone flipped out cos of some annoying ad.
Thanks for the response; it's unfortunate that a solution like Octoprint 4 Android would be rendered almost pointless by something as assumedly simple as 'device can't charge via USB'.
I have a Raspberry Pi that I can probably get Octoprint running on with a cheap webcam, but I'm going to google that Android TV box you mentioned too because a few other people have mentioned that these are somehow even better/more future-proof than a RPi.

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