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[Q] Phone won't stay in download mode?

I'm having some weird problems getting the phone into download mode. If I hold down voldown + power + trackball, the phone goes into download mode and is recognized, but then leaves download mode about 5 seconds later. The screen goes black and the charging screen turns on for a few seconds and then also goes black. If I just plug in the phone to charge, the charging screen turns on for a few seconds and then cycles with a black screen.
Is there something up with the charging circuitry? Is it possible to get the phone to stay in download mode?

Try doing the forced download mode method

Are you talking about the volume down + trackpad? Same thing happens, download mode screen flashes for ~5 seconds, phone turns off, starts flashing charging screen.
I also have a download mode jig, but that isn't working either.

Also, new development: the phone won't even turn on now when I hold down the power button. Bad battery?

No he means pull battery, connect usb, hold power, volume up, volume down, camera, and tackpad and insert battery. It should FORCE the phone into download mode.
Sent from the phone everyone has forgotten about!

That works, but I still get kicked out of DL mode after about 5 seconds. The issue was never getting into download mode--all button combinations work for that--but the problem is I get kicked out of it after a few seconds.

Hmmmm. I think its probably a bad battery.
Sent from the phone everyone has forgotten about!

Alright. I'll definitely check that out and get a new battery.

Got the battery today. Unfortunately, still the same problem! The Sidekick boot screen now displays in place of the battery charging screen, but I still get kicked out after 5 seconds.

Damn, well the only thing I can think is a problem with the board not receiving enough power. But I don't know, maybe someone else can help you better.
Sent from the phone everyone has forgotten about!

Another thread reminded me...
Fixed the problem! Seemed to be a ribbon cable or some sort of loose connection. I opened up the phone (all the way), removed the RF shield, unplugged all the ribbon/connector cables (minus the one for the camera) and removed the whole board from the phone case. Checked the connections, put everything back together snugly. It now works like a charm.

same problem
would you make a tutorial on how to do this ?

AFAinHD said:
No he means pull battery, connect usb, hold power, volume up, volume down, camera, and tackpad and insert battery. It should FORCE the phone into download mode.
Sent from the phone everyone has forgotten about!
Click to expand...
Click to collapse
AFAinHD said:
Hmmmm. I think its probably a bad battery.
Sent from the phone everyone has forgotten about!
Click to expand...
Click to collapse
I also meet the problem same as Redct and after I tried the solution provideed by Afainhd，the problem has been solved. Thank you Afainhd.

yinyuyang said:
I also meet the problem same as Redct and after I tried the solution provideed by Afainhd，the problem has been solved. Thank you Afainhd.
Click to expand...
Click to collapse
Anytime.
Sent from my Nexus 7 using XDA Premium HD app

SK4g
Yeah i had the same problem iv been trying to go into recovery mode and safe mode. I cant do it im having the same exact problem. I get kicked out every 5 seconds but Redct has a point. There may not be enough power going to the phone. I may attempt at taking the phone apart extremely carefully. If this works ill post then its a manufacture problem for not assembling the phone right or not finding out that people do lots of things with their phone and the phones is just a bunch of computer componets wraped around a piece of plastic. Better quality phones must be sturdy.

So I attempted to take apart the phone and put everything back together and successfully booted. I it booted into the Android OS but then for some reason crashed and entered the boot loop again god this is irritating
Sent from my Nexus 7 using xda app-developers app

Same Problem
I am having the same problem. I took the phone apart, but I couldn't figure out how to get the circuit boards out to unplug the ribbon wires, can you tell me what to do? I had the same problems a few weeks back, but it was staying in download mode then, but now it won't stay in download mode for more than 5 seconds. I got a new phone because of it(LG Optimus). I would really like to get my Sidekick going again though!

Try using heimdal n enable flash bootloaders n hold the volume keys
Sent from my SGH-T959V using xda app-developers app

I'm attempting this fix. Got arround taking out the board and just need some help with what to do with the RF. I can't simply take it out and put it back, my guess. Any help is appreaciated. Like what kind of tool would I need for that? Thanks!
The RF shield or the RF 5000? I'm confused.
BTW... If anyone needs help with how to dismantle the phone, follow this thread. It can be found in General section.

I know this forum is ancient, but I'm working on an E-Bay phone with this exact issue. I found the following thread the most useful and informative on the problem:
http://forum.xda-developers.com/showthread.php?t=1996709
Hopefully this helps other.

[Q] (SOLVED) Bricked/Bootloop weird

Hey guys,
I got an infuse from a friend. When she gave it to me it was all stock and functional minus the fact that it would bootloop. When you would turn it on it would show samsung, turn off, samsung, turn off... About 3 seconds per on time. It would do this whenever it had the battery in or was plugged in. At first I was able to get it into download and then flash stock OEM. This fixed the problem, then I got into recovery and flashed a custom rom. All of this worked fine. Here's the problem
I tried restoring to the stock that I got the phone to before the custom rom was installed. This took 25 seconds and I knew something must have been wrong but I rebooted anyway. When rebooting I was faced with my original issues up above. Unfortunately its rebooting too quickly to put it into download mod. By the time I press the volume buttons and insert the usb it already boots and then starts over. If I do it quickly enough it goes to charge and bootloops to charge. The problem is that the phone bootloops whenever the battery is in. I don't have to press power for it to start.
Pretty frustrated and really would like some help. Thanks
EDIT: I ****ING FIXED IT!!! I swear this isn't a joke... I was reading a forum that had this problem and they all were saying they got angry and threw it/hit their phone and it booted up. Sitting there I eventually started entertaining the idea. I did a quick survey of the library I am in and... smacked it on my fist. THEN THE ****ING THING BOOTED UP!! What the hell!! SO excited. If it happens again, most efficient way is to drop the device on the top off the phone on a carpeted floor from about 2 feet

Faulty power button. Do a search.
Sent from my SGH-I997 using xda premium

Los maizak
psal217050 said:
Faulty power button. Do a search.
Sent from my SGH-I997 using xda premium
Click to expand...
Click to collapse
Am I looking for a replacement or what? Thanks for the speedy reply

psal may be on to something however it sounds like you are not trying download mode correctly - if you had the battery pulled and the usb disconnected it could not be rebooting.
Edit: If the power button is sticking, most likely no need to replace- here is a video of how to replace the screen, not what you are doing but the point is it shows how to take the phone apart so that you can clean the power button. Hope this helps : http://www.youtube.com/watch?v=1WS5I0SpL6c

Pony Express said:
psal may be on to something however it sounds like you are not trying download mode correctly - if you had the battery pulled and the usb disconnected it could no t be rebooting.
Click to expand...
Click to collapse
It reboots only when I put the battery in. So the moment I put the battery in to try and get it into recovery it starts booting immediately. It doesn't give me enough time to actually press volume up and down and then insert usb. If i do it fast enough it just boots to charging mode and boot loops to that instead of the samsung splash
Edit: I have already taken apart the phone. Not really sure what I should clean. It looks completely fine and acts similarly to the volume buttons. How would you recommend I clean it?

Pony Express said:
psal may be on to something however it sounds like you are not trying download mode correctly - if you had the battery pulled and the usb disconnected it could not be rebooting.
Edit: If the power button is sticking, most likely no need to replace- here is a video of how to replace the screen, not what you are doing but the point is it shows how to take the phone apart so that you can clean the power button. Hope this helps : http://www.youtube.com/watch?v=1WS5I0SpL6c
Click to expand...
Click to collapse
I am not so sure that this is a hardware issue. Why would the problem disappear when I flash the OEM but then return everytime I restore to the faulty stock. I already took apart and the power button seems pristine.

With this extra info, it is pointing more toward a sticking power button with a hardware issue still something to consider... have you tried pulling battery, install usb, hold both volume buttons (no power button) and while continuing to hold vol buttons insert the battery ?
Edit: If the issue is indeed in the faulty rom, delete it and use something different.

Pony Express said:
With this extra info, it is pointing more toward a sticking power button with a hardware issue still something to consider... have you tried pulling battery, install usb, hold both volume buttons (no power button) and while continuing to hold vol buttons insert the battery ?
Edit: If the issue is indeed in the faulty rom, delete it and use something different.
Click to expand...
Click to collapse
Not sure how I would delete the rom because I cannot boot the phone, boot to recovery, or boot to download. I did try having the usb in, holding volume and then putting in battery. It didn't work. Do you think a jig would work? Thanks

Yes, I think for such a small price it is worth a shot- best of luck !!
It would also be worth mentioning to be certain you have a good usb cable as well as a good usb port on the puter.

aeppacher said:
Hey guys,
I got an infuse from a friend. When she gave it to me it was all stock and functional minus the fact that it would bootloop. When you would turn it on it would show samsung, turn off, samsung, turn off... About 3 seconds per on time. It would do this whenever it had the battery in or was plugged in. At first I was able to get it into download and then flash stock OEM. This fixed the problem, then I got into recovery and flashed a custom rom. All of this worked fine. Here's the problem
I tried restoring to the stock that I got the phone to before the custom rom was installed. This took 25 seconds and I knew something must have been wrong but I rebooted anyway. When rebooting I was faced with my original issues up above. Unfortunately its rebooting too quickly to put it into download mod. By the time I press the volume buttons and insert the usb it already boots and then starts over. If I do it quickly enough it goes to charge and bootloops to charge. The problem is that the phone bootloops whenever the battery is in. I don't have to press power for it to start.
Pretty frustrated and really would like some help. Thanks
Click to expand...
Click to collapse
Use this to go to stock old version:
http://forum.xda-developers.com/showthread.php?t=1116251
Then open kies mini connect your phone on kies update and upgrade to the newest GB version.
At this point u are on a stock if u want root try this:
http://forum.xda-developers.com/showthread.php?t=1613523
Option C is the better

daemonlmrj said:
Use this to go to stock old version:
http://forum.xda-developers.com/showthread.php?t=1116251
Then open kies mini connect your phone on kies update and upgrade to the newest GB version.
At this point u are on a stock if u want root try this:
http://forum.xda-developers.com/showthread.php?t=1613523
Option C is the better
Click to expand...
Click to collapse
I can't do this because in order to go to download mode the phone needs to be off. The moment I insert the battery it automatically starts bootlooping

Pony and psal are prolly right. Try fixing your power button.

[Q] Help! True infuse brick and loop

Hey Gang! I have a not so common issue, from what I have searched and read.
I'm trying to fix a friends Infuse 4G from looping at the Samsung screen. Also the phone would power loop when battery is inserted and charge loop when plugged into the USB Cable. Nothing I have tried has worked.
Tried:
1. 3 button to CWM Recovery. FAIL
2. Volume up/dn held then plug USB in for download mode. FAIL
3. Plug in the USB with no battery, hold volume up/dn, insert battery for download mode. FAIL
Ok... now being really familiar with electronics, I made a JIG from a tutorial and here is the fun part for those that want to help out....
I plugged the JIG in, inserted the battery and behold... I got the download mode screen... but it too is LOOPING!!!!
So I tried a quick switch. Inserted JIG, Inserted battery, got the download mode screen and before it looped, I replaced the JIG with the USB Cable. FAIL! It started looping with the Samsung screen.
I am stumped! Can anyone help out or know how I can get past this issue so I can Odin or flash back to stock without backtracking to what I have already done?
Thanks in Advance,
Scott

zeroplace said:
Hey Gang! I have a not so common issue, from what I have searched and read.
I'm trying to fix a friends Infuse 4G from looping at the Samsung screen. Also the phone would power loop when battery is inserted and charge loop when plugged into the USB Cable. Nothing I have tried has worked.
Tried:
1. 3 button to CWM Recovery. FAIL
2. Volume up/dn held then plug USB in for download mode. FAIL
3. Plug in the USB with no battery, hold volume up/dn, insert battery for download mode. FAIL
Ok... now being really familiar with electronics, I made a JIG from a tutorial and here is the fun part for those that want to help out....
I plugged the JIG in, inserted the battery and behold... I got the download mode screen... but it too is LOOPING!!!!
So I tried a quick switch. Inserted JIG, Inserted battery, got the download mode screen and before it looped, I replaced the JIG with the USB Cable. FAIL! It started looping with the Samsung screen.
I am stumped! Can anyone help out or know how I can get past this issue so I can Odin or flash back to stock without backtracking to what I have already done?
Thanks in Advance,
Scott
Click to expand...
Click to collapse
look in this q/a and the general section about power button failure...there are some solutions offered

qkster said:
look in this q/a and the general section about power button failure...there are some solutions offered
Click to expand...
Click to collapse
Will check it out and will report back. Thanks again

That's definitely a messed up power button. My power button is messed up also. About every 3 months, I have to just slam the power button on a hard surface and it goes back to normal. Just a quick fix if nothing else works or if you can't fix it.
Sent from my SGH-I997 using xda app-developers app

omar71693 said:
That's definitely a messed up power button. My power button is messed up also. About every 3 months, I have to just slam the power button on a hard surface and it goes back to normal. Just a quick fix if nothing else works or if you can't fix it.
Sent from my SGH-I997 using xda app-developers app
Click to expand...
Click to collapse
I may suggest tapping it or taking it out for a cleaning.
Or replacing it or even remapping it..there are 2 threads in the general section that is relevant.
I don't recommend slamming it though...what is good or omar's phone may not be good for zero's phone.

Lol valid point. Hope everything works out for you tho. Some people have gotten their power button fixed for cheap..don't know exact prices.
Sent from my SGH-I997 using xda app-developers app

USB jig not working
Galaxy s2-i9200g charges when i plug it in charger,but not able to start and not able to go any mode(download or recovery) so used USB jig,- Fail not able to go to download mode
When i insert the USB jig it goes to infinite loop with showing a symbol of battery upload with blank battery
When i swith on the phone i get the logo and stuck there
what is the solution for this when usb jig is not working

[Q] Battery logo only

I've been searching for a while but can't seem to find anyone with the same issue. When I insert the battery into the phone I get the empty battery logo then the lights under the touch buttons turn on and then the screen and button lights turn off and that's it. No looping. If I pull the battery and insert it I get the logo and lights and then nothing again. I can hold down both volume buttons while I insert the battery and get to download mode. I can then flash back to stock and reboot into the rom but as soon as I reboot from the rom I'm back to the empty battery logo and then nothing. I've replaced the power button but I'm pretty sure it's not a button issue. Any ideas?

chunter2 said:
I've been searching for a while but can't seem to find anyone with the same issue. When I insert the battery into the phone I get the empty battery logo then the lights under the touch buttons turn on and then the screen and button lights turn off and that's it. No looping. If I pull the battery and insert it I get the logo and lights and then nothing again. I can hold down both volume buttons while I insert the battery and get to download mode. I can then flash back to stock and reboot into the rom but as soon as I reboot from the rom I'm back to the empty battery logo and then nothing. I've replaced the power button but I'm pretty sure it's not a button issue. Any ideas?
Click to expand...
Click to collapse
Dont do anything on the software side, it is a hardware problem.The power button is broke.
Get it replaced or open up the cover and blow air onto it... there is a guide to show you how.

mkiriti said:
Dont do anything on the software side, it is a hardware problem.The power button is broke.
Get it replaced or open up the cover and blow air onto it... there is a guide to show you how.
Click to expand...
Click to collapse
I already replaced the power button with no change. Any other suggestions?

chunter2 said:
I've been searching for a while but can't seem to find anyone with the same issue. When I insert the battery into the phone I get the empty battery logo then the lights under the touch buttons turn on and then the screen and button lights turn off and that's it. No looping. If I pull the battery and insert it I get the logo and lights and then nothing again. I can hold down both volume buttons while I insert the battery and get to download mode. I can then flash back to stock and reboot into the rom but as soon as I reboot from the rom I'm back to the empty battery logo and then nothing. I've replaced the power button but I'm pretty sure it's not a button issue. Any ideas?
Click to expand...
Click to collapse
try charging the battery using a charger or try a different battery

qkster said:
try charging the battery using a charger or try a different battery
Click to expand...
Click to collapse
I've done that too. I've got two of these phones and both batteries do the same thing.

chunter2 said:
I've done that too. I've got two of these phones and both batteries do the same thing.
Click to expand...
Click to collapse
If you are able to flash back to stock, in the stock rom, try reseting the phone under "privacy" then boot into recovery and factory reset the too.
If that doesn't work, make a video

qkster said:
If you are able to flash back to stock, in the stock rom, try reseting the phone under "privacy" then boot into recovery and factory reset the too.
If that doesn't work, make a video
Click to expand...
Click to collapse
Turns out my USB connector was faulty. I removed it from the motherboard and now when I insert the battery nothing happens like it should. I can now turn on the phone with the button. Guess I'll be ordering a USB connector off ebay.

Worked for me as well
chunter2 said:
Turns out my USB connector was faulty. I removed it from the motherboard and now when I insert the battery nothing happens like it should. I can now turn on the phone with the button. Guess I'll be ordering a USB connector off ebay.
Click to expand...
Click to collapse
The same thing happened to me. After reading this tread, I replaced my USB port and its perfectly working fine again. I can get into Recovery and everything now. No random reboots and things .
Thanks @chunter2

[Q] Phone wont turn on after not using for a month.

was running a solid PA 5.0 Rom then My screen broke about a month ago so I broke out one of my cheap $30 Wal-Mart phones until I decided what to do with it. Finally decided to get a screen + digitizer kit, replaced it all no problem went to turn it on and had a red light blink for a few seconds and then nothing. . Tried all volume & power button combos but no dice. Been trying and googling for days now. I can plug my phone into a pc and get it into adb fastboot mode by holding vol- and power button sometimes it gets recognized a mtp usb device but wont install any drivers and if I hold all three buttons it shows up as qhusb_bulk but it still won't boot up normally tho and nothing displaying in the screen. bought it from swappa over a year ago so the warranty is probably up. any suggestions?

qhusb is a brick. Try and follow this guide:
http://forum.xda-developers.com/google-nexus-5/general/fix-unbrick-nexus-5-stucked-qualcomm-hs-t3043301

I had the same thing. Phone in a drawer and red light fluttered then that was that. I put a new battery in.
As you probably know when the battery dies there its in fact 10% left for boot up. In my case it had gone to zero so there was nothing to power the charging circuits etc. Worked for me. I found a way to charge the other later and it's a spare
SENT BY ENTANGLEMENT

theesotericone said:
qhusb is a brick. Try and follow this guide:
http://forum.xda-developers.com/google-nexus-5/general/fix-unbrick-nexus-5-stucked-qualcomm-hs-t3043301
Click to expand...
Click to collapse
alright did that now it gets recognized on my computer as normal and phone vibrates when i turn it on, guessing the screen i got was bad cuz that still doesn't work, I'll just send it back and get a new one. many Thanks!