I thought it might be worth writing a post about my second tablet's failure before returning it as I'm not sure whether to get it fixed/replaced or look for a refund. Maybe someone has some thoughts? After suffering the apparent failure of two Note 10.1's I'm getting worried that there is something fundamentally wrong with this tablet.
Now, I should say here that my tablet was bought refurbished. It shouldn't make a difference- I've bought plenty of refurbished tech before and I've never had problems like this but I thought it might be worth mentioning.
So, the first Note arrived faulty. It would not charge above 17%. The charge up to that point was faultless... It just wouldn't go higher than 17%. That made me think it was a software issue but nothing I could do would fix it. Back it went. It was swapped on the door so I know the second tablet was an entirely new tablet (with new charger).
The second Note I received has worked for just shy of 2 months before it too is having a lot of charging issues. It will only occasionally charge now- most of the time I can leave it for hours and it won't go up 1% but every so often it'll start charging again. The lead is fine but I can't check the charger as I don't have another to try out.
Due to my paranoia of charge failure I've monitored the second tablet with 'Battery Mix'. The graph created by the app shows a perfect flat line when the ac adaptor is plugged in. That in itself seems weird... If there was no charging occurring, wouldn't the battery lose charge rather than remain at a constant level?
The flatlining behaviour is what has me worried. Both the tablets had the same issue, the first just stuck at 17% whereas the second will stick at seemingly random levels. But the symptoms of the fault are similar.
Searching the internetz reveals similar cases as mine and, seeing as a refurb device only has a years warranty, I'm not feeling particularly confident in a third Note behaving itself over the long term.
Oh, and after all that whinging... I do actually love the Note 10.1 when it works. It's a really nice bit of kit which I am loathed to have to return.
I have had fits using the supplied stock charging cable. I bought an aftermarket cable & it charges perfectly. Unfortunately, I broke the cable two days ago & had to use the stock supplied cable. Charging is so slow it is ridiculous. I plugged it in yesterday morning at 7% & today, 20 hours later, it is only at 22%.
With the after market cable, it would charge to 100% from 3% in about 3-5 hours.
Just to follow up, I picked up a Samsung dock for the Tab 10.1 & used the charging cable from that to test it & my Note 10.1 started charging very quickly. It went from 21% to 56% in about 30 minutes.
I have no idea why the stock cable is so bad with charging, but it is definitely the culprit.
The Tab 10.1 dock is currently on clearance at my local Verizon store for $10. I am going to swing by later & grab the other one they had for a spare.
Cable is a noted problem in other Sammy forums on XDA .
jje
Thanks for the comments.
The tablet has now gone back for repair/replacement.... It's back to the old Hannspad for me until it returns. Oh joy.
I'm not sure the lead is the problem in my case although this is all just speculation on my part. I guess it makes sense in some ways- the charging became intermittent when plugged in which fits with the dodgy lead idea but when it played up it would just sit on whatever percentage it had been on when I plugged it in. Surely a bad lead would result in more uneven results rather than no change in charge (up or down) after hours of AC power?
I'm now kicking myself that I didn't save a screenshot of the behaviour as seen on the graph created by 'Battery Mix'. It was quite literally a straight horizontal line, no charge up and no discharge down. Most odd.
Fingers crossed the tablet will come back fixed. I have a fear it's going to behave itself as soon as it arrives to be tested but hey ho... We shall see. When it returns I'll definitely be investing in a third party lead.
With the original supplied charging cable plugged into the tablet, the device would drop in charge while in use. Meaning, it wasn't drawing enough/any power while in use. Also, it would sit at 22%. Never go any higher. I left it plugged in for 2 days & it never reached higher than 22%. This is on Jellybean. If I switched back to ICS, it would charge just fine.
I found several threads on the web stating exactly the same behavior.
I have since purchased 2 spare cables from Amazon, 2 Samsung branded travel chargers, & a Power+ travel charger, & ALL of them charge the tablet quickly & to 100%.
If I switch back to the supplied cable, it actually drops charge while in use.
I promise you, it is not the tablet.
Since there’s a fair amount of posts that note this, particularly with this charger, I figured I’d start a poll. If you have a TYLT Vu, have you run into the overheating issue/does your Nexus get uncomfortably hot while charging?
FWIW, I have two Vus and have not had this issue, at least not yet. While the phone does get warm, it’s not hot and I would consider this to be expected. I also happen to keep the phone in this case: http://www.maxboostpower.com/shop/m...stand-fits-all-versions-of-google-lg-nexus-5/.
UPDATE: While I have not yet tried this, an XDA member has some steps for reproducing the issue consistently, and subsequently how to potentially avoid it, at http://forum.xda-developers.com/showpost.php?p=49282197&postcount=119.
UPDATE: Lastly, we have acknowledgement from TYLT on the issue and how to work around it—maybe they’ll become a responsible company one day and actually fix the problem one. From http://forum.xda-developers.com/showpost.php?p=49467213&postcount=157:
Hi ****,
Thank you for contacting TYLT customer support. We actually found a solution for this issue, when you place your phone on the VU put the bottom part of the phone onto the base of the VU at an angle so the screen is tilted towards the ground a bit then put the back part of the phone onto the VU. This way the middle coil will be activated which is a perfect match for the coil inside your phone.
Please let me know if this solves the issue.
Thank you!
Thanks,
--
Richard Sumian
Customer Care Specialist
tel: 800.843.5600x129 email: [email protected]
web: http://www.tylt.com
-----Original Message-----
From: [email protected]
Sent: Wednesday, January 15, 2014 9:09 AM
Subject: TYLT | Contact
***** submitted a contact form:
Name:
Email: *****@gmail.com
Message:
My tylt charger is causing my Nexus 5 to overheat. It gets above 50 degrees when I charge in portrait mode. I have read in forums that your company is working on a fix. I just want to be put on the list to have mine replaced once it has been addressed.
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Cheers.
I haven't had the issue with mine.
I've had one of these for just over a month and I leave my phone in it to charge every night. I also use it regularly as a stand when I'm at my desk.
The phone does get warm while charging, but no warmer than it did when plugged into the stock charger.
It takes about 3 hours for my phone to charge from <10% to 100% (about 30%/h).
How to you define overheating? I have two TYLT and the N5 tends to get warmer by a few °C compared to other Qi chargers. However, it depends very much on the actual battery status (SOC, temperature) prior to starting a charge.
I have also noticed that turning off Day Dream reduces temperature rise during wireless charging by about 3-5 °C in average.
stbxxl said:
How to you define overheating? I have two TYLT and the N5 tends to get warmer by a few °C compared to other Qi chargers. However, it depends very much on the actual battery status (SOC, temperature) prior to starting a charge.
I have also noticed that turning off Day Dream reduces temperature rise during wireless charging by about 3-5 °C in average.
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I’d guess I’d simply describe is as uncomfortably hot. While I haven’t experienced the issue myself, the people who have tend to describe it this way. I’ll make the OP a little clearer.
I have three wireless chargers, the Nexus charger, Tylt Vu and an older WPC-700. Same issue with all three, sometimes they're slightly warm, other times they're hot. No rhyme or reason as far as I can tell.
Welp, add me to the list. Just pulled my N5 off the tylt and the back near the camera was almost hot enough to burn me. Charge stopped at 85%. It's become pretty warm in the past, but nothing like this. Very alarming.
Can't help but wonder if it has something to do with the metal discs in the N5 and the multiple coils in the tylt... It's like putting a steel pan on an induction cook top.
No heat with mine. I leave my phone on it all the time. At least every night, sometimes during the day as well. It is never warmer than when charging with the standard USB charger. Same goes for my Nexus 7.
I have a one and I've noticed the N5 getting very hot but only if I leave the screen on and slightly hot during Day Dream so now I just make sure the screen is off and everything is okay.
I DEFINITELY feel it get warm... haven't noticed it coinciding with screen being on for periods of time, but my screen WAS on last time it got super hot...
Mine overheated once overnight. In the morning the N5 was so hot I couldn't hold it in my hands.
http://forum.xda-developers.com/showthread.php?t=2522361
My N5 has also gotten very hot numerous times, too hot in my opinion when using the tylt. Doesn't happen every time though. I've tried to determine if it has anything to do with placement, but have not been able to tell. I also have a Google Nexus wireless charger and the phone never gets hot when charging. I'm now trying the phone on it's side on the tylt and will see if it continues to overheat.
I had my Nexus 5 overheat once when I pulled my Nexus 4 off the charger and place my N5 on immediately after. Woke up in the morning and the phone was off and HOT. No issues since but I never charge one phone right after the other.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Happened again! The back of my phone measured a little over 130F. Starting to think something has gone wrong with my VU. I've owned it for a month and haven't had a problem, now suddenly it's attempted to deep fry my poor N5 twice in the last week.
Emailed TYLT about this, but not confident I'll ever get a response. Seems like they've been ignoring emails lately.
My N5 overheated (to the point it stopped charging) every day on my Tylt for 4 days until I disabled Daydream, now it hasn't happened since.
That said, looking at Battery Monitor Widget tells me it's still charging too warm (40-46c) just not warm enough to trigger an overheat warning. Daydream probably just pushes it over the edge.
My guess is this is a fairly common problem with the Tylt and the N5 due to the metal disks the N5 has for magnetic alignment - something I'm not aware of many, if any, other Qi compatible phones possessing. The Tylt has 3 coils and a 1amp charger which lets it charge faster than other Qi chargers but probably pushes the envelope in the process.
Could vary between models, I guess, but I wonder how many N5 users with Tylts who also use Daydream (or otherwise have the screen on when charging) have this issue?
Also I've read that charging in landscape helps - slightly more airflow around the back of the phone, and less of the metal disks come in contact with the coils I bet are the reasons.
PS: I have the stock Nexus Qi charger (the new one) on my dresser and a Nokia N910 at my office and have no problem with either of those - and temps stay in the 30c range. Both of those are also single-coil chargers powered by 500mA US and charge slower than the Tylt as a result.
Welp. Unfortunately, it looks like I can be added to the list of those who have been "burned" by the Tylt Vu. I've been using two different ones for about two weeks now with no issues at all. The hottest my N5 would ever get would be around 37C (but it would usually hover around 34-35C). I've been keeping an eye on the battery temp since reading all these horror stories of overheating. Tonight, it was charging fine when I picked my phone up to check a text and mess around for a couple minutes. When I put it back on, it was probably around 37-38C or so. I was sitting next to it and touched the screen to check the temp, and it felt REALLY hot (only about 5-10 minutes after setting the phone back down to charge). So I took it off and the battery temp was showing 49.5C with "health" saying "overheating". I always make sure the screen is turned off after putting it on the charger, so I know it wasn't in daydream or anything. Kinda freaked me out. I love these chargers, but my faith in leaving them unattended while charging is now shaky at best.
ixian said:
My N5 overheated (to the point it stopped charging) every day on my Tylt for 4 days until I disabled Daydream, now it hasn't happened since.
That said, looking at Battery Monitor Widget tells me it's still charging too warm (40-46c) just not warm enough to trigger an overheat warning. Daydream probably just pushes it over the edge.
My guess is this is a fairly common problem with the Tylt and the N5 due to the metal disks the N5 has for magnetic alignment - something I'm not aware of many, if any, other Qi compatible phones possessing. The Tylt has 3 coils and a 1amp charger which lets it charge faster than other Qi chargers but probably pushes the envelope in the process.
Could vary between models, I guess, but I wonder how many N5 users with Tylts who also use Daydream (or otherwise have the screen on when charging) have this issue?
Also I've read that charging in landscape helps - slightly more airflow around the back of the phone, and less of the metal disks come in contact with the coils I bet are the reasons.
PS: I have the stock Nexus Qi charger (the new one) on my dresser and a Nokia N910 at my office and have no problem with either of those - and temps stay in the 30c range. Both of those are also single-coil chargers powered by 500mA US and charge slower than the Tylt as a result.
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I have a cheap Chinese QI charger for 21$ single coil its charging faster than the wall adapter AC i plugged it into a Asus Nexus 7 2Amp charger and it doesn't overheat at all i think this overheating has to do with the Tylt having 3 Coils instead of One
I've never used an app to look at internal temperatures. Do any of them have an alarm that would sound if the temperature went over a certain mark?
Mine was hot several times when an app was running in the background. Since then I've made sure that all apps and antennas/radios, and the screen is/are off. I have two vu. Same problem.
jasbur17 said:
I've never used an app to look at internal temperatures. Do any of them have an alarm that would sound if the temperature went over a certain mark?
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You can use tasker and have the phone ring on battery overheating condition but to my knowledge not a specific battery temp. It's kind of too late but at least the phone won't sit there and continue to cook.
---------- Post added at 08:29 PM ---------- Previous post was at 08:26 PM ----------
charesa39 said:
Welp. Unfortunately, it looks like I can be added to the list of those who have been "burned" by the Tylt Vu. I've been using two different ones for about two weeks now with no issues at all. The hottest my N5 would ever get would be around 37C (but it would usually hover around 34-35C). I've been keeping an eye on the battery temp since reading all these horror stories of overheating. Tonight, it was charging fine when I picked my phone up to check a text and mess around for a couple minutes. When I put it back on, it was probably around 37-38C or so. I was sitting next to it and touched the screen to check the temp, and it felt REALLY hot (only about 5-10 minutes after setting the phone back down to charge). So I took it off and the battery temp was showing 49.5C with "health" saying "overheating". I always make sure the screen is turned off after putting it on the charger, so I know it wasn't in daydream or anything. Kinda freaked me out. I love these chargers, but my faith in leaving them unattended while charging is now shaky at best.
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The screen can be completely out when this happens. It runs a bit hotter during normal charging with Daydream but its definitely not the cause of the overheating condition.
---------- Post added at 08:34 PM ---------- Previous post was at 08:29 PM ----------
BTW, for the record mine has overheated twice in excess of 132 F and stopped charging at around 70%
Nothing on this came up for the note 10.1 specifically. I use an 8013 with Gnabo v8 KitKat installed.
When my N8013 reaches full charge, I get a message telling me to unplug it. Why ? (Is this just a stupid message or is there really a reason?)
If I am not going to be using the tablet, are there any differences (in battery life, recharge numbers, etc)
caused by keeping the charger on or not?
I have seen many opinions on L-I batteries in general, but nothing specific to the SAMSUNG charger and note 10.1 (2012).
I am looking for something beyond "I do this" or "I believe."
Anybody out there have some tech knowledge on this ??
Many thanks.
I know on my 8013 with the old bootloader and Kit Kat it will not charge powered off and often acts funny while charging anyway. I personally cycle my batteries on all devices from full to empty and have not had any battery replacement problems..
the last time I attempted to leave one plugged in all the time was a cheaper phone a couple of years ago and the battery swelled up and almost exploded. Besides the normal dangers of just having a plug in hanging out of your device all the time could wear out your socket. I like my device too much to leave it plugged in all the time and take a risk. & I do believe it would be a risk IMO.
now I use a kernel and it allows modification of charging amperage and that may help to lower that for constant plugin and I would feel safe when I have my tablet in my vehicle and plugged in to a low or trickle charger on a mount and leaving it constant. But personally under normal use and not dash mounted I would never consider leaving it plugged in constant. You should try it and report back any hardware damages jk. I have not read of any..
and you're just asking besides like the common sense things ?like saving energy ?, or reduceing heat passing through your charger and device, because of constant electricity flow, remember the more heat you are causing in piece of equipment the more damage and wear and less overall time you get out of that device whether it be a charger, battery, circuit board etc.
jimyv said:
I know on my 8013 with the old bootloader and Kit Kat it will not charge powered off (mine charges) and often acts funny while charging anyway. I personally cycle my batteries on all devices from full to empty and have not had any battery replacement problems..
the last time I attempted to leave one plugged in all the time was a cheaper phone a couple of years ago and the battery swelled up and almost exploded. Besides the normal dangers of just having a plug in hanging out of your device all the time could wear out your socket. I like my device too much to leave it plugged in all the time and take a risk. & I do believe it would be a risk IMO. (Does the oem charger have overcharge protection? Will the 8013 stop charging when 100% - these are the big questions.)
now I use a kernel and it allows modification of charging amperage and that may help to lower that for constant plugin and I would feel safe when I have my tablet in my vehicle and plugged in to a low or trickle charger on a mount and leaving it constant. But personally under normal use and not dash mounted I would never consider leaving it plugged in constant. You should try it and report back any hardware damages jk. I have not read of any..
and you're just asking besides like the common sense things ?like saving energy ? (If it stops charging on full charge - there is no energy waste), or reduceing heat passing through your charger and device, because of constant electricity flow, remember the more heat you are causing in piece of equipment the more damage and wear and less overall time you get out of that device whether it be a charger, battery, circuit board etc.
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Thanks for opinion.
mangurian said:
Thanks for opinion.
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well of course they are designed to stop charging when they are 100%. the real question is how far down will it allows to discharge before it starts charging again? My experience is almost none ...you'll never see it leave a hundred percent. so basically you're charging all the time and cycling the charger unit . you have also modified your device and even unmodified ones there are no guarantees such as life. And anything plugged into a plugin is using some amount of current. And I have burned up several chargers through many devices by leaving them plugged in to the devices for extended periods of time while in use.I can say for certain leaving them plugged in constantly you are going to be buying chargers at the very minimum.
for me if Samsung is asking me to do this it is because they have it designed into their product for longevity reasons. They have millions upon millions of hours invested into wear dating these products used in a specific manner Who am I to try to reengineer the wheel. to me it's not even an arguable discussion do what's your opinion wishes you to do. Again I'm sure they know more than you..about what's best for their devices. For if longevity only.
I'm sure if you needed a detailed analysis of what's going on with your hardware when you're plugged in maybe Samsung technical hotline could be assistance to you. Seems to be more of a hardware engineer question to me..imo
of course with root privileges you can pretty much set up any charge schedule you would like to do as far as when to begin charging when to shut off charging screen off screen on etc and how much amperage you wished to consistently charge..
so basically if you are going to use the device against the design. (portable) then you should probably set up your own charging parameters and behaviors. To extend your device life. For example when I have mine in dock position in my vehicle .it is set to only charge 1 amp from charger key on power only and screen on while charging . And this allows my device to cycle on the battery when vehicle is not running. Reduces heat in my unit. and does not burn up my chargers
Hey guys first time posting here.
I've had my Z3 for almost 3 months now and have recently noticed some strange things going on with its charging.
Ive been using a third party magnetic charging cable for entire time I've had my phone and they work really well, they charge at a good speed. However, recently the charging time has slowed down dramatically. For example, last night my phone was at 31%, i charged it for 5 and a half hours and it only reached 36%. I checked the battery info tab and it says AC, also the graph showing the battery level shows that the charging is very slow, it says it was charging for the full 5 and 1/2 hours.
-also, no apps were running and the main power user was the screen (as always) which was off.
I don't know what's wrong, I did a battery partition reset a week ago since i was having problems where the phone won't charge past 80% and the reset fixed the 80% problem, but now this is happening.
The charging cable i use is not broken since it works in different power outlets throughout my house and charges the phone normally.
I don't use ROMs and it has the stock factory operating system.
Anyone else have this problem?
I have bought long time ago new version of fast charger duo pad. I use this charger to charge my SM-G977B S10 5g. I used this charger almost from s10 5g was released. It was charging battery from flat in about 1:35 every time when I was using this charger. From about 2 months I have noticed that charging is slower and it takes 2 hours to charge battery from flat. Maybe it's nothing important but the difference is especially noticeable at the beginning of charge process if I have only 10 - 20 minutes to charge it's really noticeable. I thought that I happened after certain update and firstly ignored that because of I wish to have only this type problems in my life. Anyway recently I have seen that if I use both pads and during charging my s10 5g I remove second device from pad s10 will switch to faster charging and I am able to achieve 1:35 charging time the same like before otherwise it charges a little bit over 2 hours. Is it software bug or problem whit my charger? Charger is quite expensive so I prefer to don't buy second one just for testing purpose. Have you noticed slower wireless charging yours s10 after one of recent update? What's the normal charging time for s10 5g on this charger? Thanks
Hi, is the same for me, I use it for about one year and at the beginning one charge (from 20% I never go under that or rarely) take approx 1h40 and it take 2h10 now ....
It's not an a really big problem for day to day use but sometimes it's annoying when you have less time for charge your smartphone.
But I need to say after one year this charger stay in a good condition especially in term of temperature management.
Anyone ?
Hi, an a factory reset solve my problem ?.
Before : 0,5%/H full charge in 3h20
After : 0,8% /H full charge in 2h20 (like at the beginning)
After the reset when put my phone ? on the wireless charger an notification appear "you can program the time when you went to stop the fast charging option to avoid noise and light during the night ? "
I never seen it before, I think ? the problem is that.
My 'fast charge' charger is as slow as the 6 times cheaper one I have had for more than a year, this means that a full charge takes about 3 hours. I bought it because I got a smartwatch and I didn't want to have two chargers on my desk.
I wiped the cache partition but the situation is the same. I followed other tips but nothing helped.
I did not do a phone reset because it takes me a long time to return to the normal state of the phone with passwords and other things and settings.
It is very annoying that samsung does not mention such a situation, as well as the fact that the estimation of the charge is far from the actual charge ... stupid is the one who buys this charger !!!