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HELP, My phone refuses to boot up.

It started as soon as I received a phone call from my brother and we were in the middle of a conversation when the phone suddenly goes off. I tried to restart it, I even removed the battery and replaced it but when I press the power button I get the initial boot sequence showing the htc logo and then the phone would just go of. I thought that maybe the battery is low but when I plug it to a power outlet it keeps trying to boot but keeps switching off and it just does this over and over.
Please I don't know if anyone has encountered this problem before, I really don't know what to do.

scently said:
It started as soon as I received a phone call from my brother and we were in the middle of a conversation when the phone suddenly goes off. I tried to restart it, I even removed the battery and replaced it but when I press the power button I get the initial boot sequence showing the htc logo and then the phone would just go of. I thought that maybe the battery is low but when I plug it to a power outlet it keeps trying to boot but keeps switching off and it just does this over and over.
Please I don't know if anyone has encountered this problem before, I really don't know what to do.
Click to expand...
Click to collapse
Try a Hard Reset using the device buttons:
1. With the phone off. If it’s frozen or unresponsive, pull then replace the battery.
2. Press and hold the Volume Up and Volume Down buttons and power the phone back on.
3. Continue to hold Volume Up and Volume Down until a factory reset screen appears.
Hope this helps!

weepatc said:
Try a Hard Reset using the device buttons:
1. With the phone off. If it’s frozen or unresponsive, pull then replace the battery.
2. Press and hold the Volume Up and Volume Down buttons and power the phone back on.
3. Continue to hold Volume Up and Volume Down until a factory reset screen appears.
Hope this helps!
Click to expand...
Click to collapse
But this ill wipe out all my data and I don't know how to back up on windows phone.

scently said:
But this ill wipe out all my data and I don't know how to back up on windows phone.
Click to expand...
Click to collapse
At the moment you've lost all your data anyway!!!!

weepatc said:
At the moment you've lost all your data anyway!!!!
Click to expand...
Click to collapse
Well I just did that but the problem persist. I should note that occasionally it does complete its boot up and I can use the phone but it can go off at any time and once it does this, i cannot get it to completely boot up. Once it attempts a boot up and goes off I cannot even restart it by pressing the power button until I replace the battery or plug it into a power socket or the computer at which point it will just keep booting up and shutting down.

Something far wrong there. Get a replacement device.
Sent from my HTC HD7 using Board Express

weepatc said:
Something far wrong there. Get a replacement device.
Sent from my HTC HD7 using Board Express
Click to expand...
Click to collapse
I think I've fixed it, I flashed my phone and it seems to be working again. Thanks for your help though

Glad to hear you got a result ;-)
Sent from my HTC HD7 using Board Express

ya I had same issue... (random reboots and then changes not saved). Flashed the phone and all was good.

HD7 stuck in boot screen
scently said:
I think I've fixed it, I flashed my phone and it seems to be working again. Thanks for your help though
Click to expand...
Click to collapse
PaullikesWINMO said:
ya I had same issue... (random reboots and then changes not saved). Flashed the phone and all was good.
Click to expand...
Click to collapse
Hi, I have got the same problem on my HD7 and I am completely noob to many new words Goldcard, jailbroken, etc. Would you please advise me exactly what you did (i mean flahing procedure) and really appriciate any help.

Well if you have got an O2 HD7, then I would advise you to get one of the O2 ROMS from ansar, download it then press and hold the volume down button when booting up your device, connect the phone to your pc and start the app. More instructions in the HD7 development thread.

There's nothing wrong the phone. Don't hard reset or flash it. It happens from time to time, just give it some time and eventually you will see a battery icon appear. Then after awhile it will boot up.
Again, do not flash or hard reset just be patient. I believe it just needs to drain all the way down as it doesn't have enough power to fully boot.

Not booting up
Hi,
My T Mobile hd7 is been restarting after it shows the htc logo..It was all of a sudden after i connected to my pc this happened ...Tried to flash it with ansar tmobile update..problem persists...Dont knw how to use goldcard..please help me out..
Thank u and Best Regards

[Q] HELP!! Stuck in LG boot logo!!!

Please help! My rooted LG Revolution won't turn on. When I unplugged it from the charger this morning I powered it off. when I went to power it back up all it does is flash the LG logo and do a little vibrate like it is force closing! I have 2 days left before I can no longer return it. I did several battery pulls also with no luck. thanks in advance!

tchabalie said:
Please help! My rooted LG Revolution won't turn on. When I unplugged it from the charger this morning I powered it off. when I went to power it back up all it does is flash the LG logo and do a little vibrate like it is force closing! I have 2 days left before I can no longer return it. I did several battery pulls also with no luck. thanks in advance!
Click to expand...
Click to collapse
Did you install Clockwork on it, or just rooted?
If you only rooted it, try performing a factory reset.
This can be accomplished by holding volume down and power until you see the screen change to "Clear data and factory reset?".
Press power to confirm.
You will lose your data, but your phone should return to normal.

Just rooted, no clockwork. I will give it a try! thanks!

Tried your suggestion...just keeps flashing and vibrating. Any other suggestions?

Did you ever see the factory reset screen?

No I didn't. just the LG logo flashing and the force close vibrate. the only way I can get it to stop is to take the battery out and put it back in. Then when I hold the voume down and the power button it just starts doing it all over again.

tchabalie said:
No I didn't. just the LG logo flashing and the force close vibrate. the only way I can get it to stop is to take the battery out and put it back in. Then when I hold the voume down and the power button it just starts doing it all over again.
Click to expand...
Click to collapse
make sure you are holding it long enough. You have to continue to hold the power and vol button for sometime before you get the recovery screen.
As rooting will generally not brick a phone (it is the recovery mod that generally bricks), if you cannot get it, take it back tell them you woke up and it was on the charger like this. They should exchange it with out issue. (Do not mention that you rooted the phone)
It sounds to me like your phone is defective, it happens.

Another option is here: http://forum.xda-developers.com/showthread.php?t=1120062 .
I can walk you through it on IRC tonight if you're on around 12PM Pacific Time...
If not, there are guides for using LGNPST on the internet.
Good luck!

Thanks! Held the buttons down for a full 3 minutes and nothing. Is that long enough? Read through the other info you posted and boy does that look scary! LOL! I will try tomorrow when I have more time. Or maybe I should just return it since I have only had it for 12 days

try pulling the battery and holding the power key for about 30 seconds. my original droid use to do this from time to time and it always worked for me.

Thanks. Tried but it did not work. Ended up just returning it and getting a new one. Now I can start over! LOL Just came from the Samsung Fascinate and was pretty proficient in flashing roms and kernels. But I have to admit that I am a little confused with the process on the Revolution.

Not sure boot problem is related to root
I've had repeated problems with not being able to boot my Revolution. This has happened consistently no matter which ROM I've used. I've factory reset and tried Decrap and Revolt both. I can reboot my phone fine, but if I ever turn it off overnight, I go back to a blank screen in the morning.
It seems a number of non-root users have this problem.
https://www.youtube.com/watch?v=IOGM__SQB6Y
I'm not sure if having a low battery contributes to the problem, but I do know that Clockwork works better with a full battery.
This morning is the first time, however, that I have this exact problem. For a few times this morning I was able to get to clockwork and restore different ROMs, but always to the same blank loop during boot. Now not even able to get to Clockwork or Factory Reset. I'm headed in to Verizon to try for a replacement. I'll let you know if they make any noises about rooting.

Getting back into Clockwork
Update: I ended up getting back to Clockwork. Can't say exactly what did it, but what seemed to work was:
1. Charging the battery fully overnight
2. Removing the battery and holding the power button down for 30 seconds
3. Leaving the battery out for some time, about an hour I guess
4. With the battery still removed, plugging the phone in and allowing the bottom lights to flash about 10 times
5. Replacing the battery, holding down the power button and volume down.
After a full day of not being able to get into Clockwork, I was able to get in and do a factory reset.

Returning Rooted Phone to Verizon
FYI, I returned a rooted, stuck in boot loop phone to Verizon yesterday. In the store they arranged the return and did not ask about or look for rooting in any way.
They did try a factory reset, which was not working in any case, so no signs of Clockwork.

Same problem, different results.
I have a ROOTED LG Revo, but the first one I owned had the same problem. That one was NOT rooted, so must just be an LG thing. First phone had stock android 2.2, and this one has STOCK 2.3.4 ( after OTA ), and is just rooted with simple memory management and font tools. I WAS able to Hard Factory Reset, but the same problem still existed after reset. ADB cannot even recognize the handset. Boots with animation, stops halfway through, reboots into blank screen and freezes. RETARDED!!! This will be the second handset being sent back in as little as a month. I bought the REVO the DAY it came out, and loved it. But now I don't. No love left. I'm getting the Droid Razr!

timus5 said:
I have a ROOTED LG Revo, but the first one I owned had the same problem. That one was NOT rooted, so must just be an LG thing. First phone had stock android 2.2, and this one has STOCK 2.3.4 ( after OTA ), and is just rooted with simple memory management and font tools. I WAS able to Hard Factory Reset, but the same problem still existed after reset. ADB cannot even recognize the handset. Boots with animation, stops halfway through, reboots into blank screen and freezes. RETARDED!!! This will be the second handset being sent back in as little as a month. I bought the REVO the DAY it came out, and loved it. But now I don't. No love left. I'm getting the Droid Razr!
Click to expand...
Click to collapse
Please don't necro threads....

Some serius help needed. Bootloop, stuck, bootloader not working etc..

Hi. To start with I bought a phone from a friend which I knew was faulty but decided to take my chances and try to fix it. He claims he did nothing to the phone but don't know for sure. Phone is in constant bootloop, Goes until splash screen and reboots. Worst yet to come - even bootloader menu restarts on constant basis when i try to get into it. Meaning it goes into bootloader but restarts in few seconds before i can get to factory reset. Computer is not picking up this device but i also don't have any drivers installed but don't even know how to install them with a phone in this state. Is there anything i can do about it? Been with Samsung for the past few years and here is everything completely different so don't know much about adb but am a quick learner and can follow any steps! I can provide picture of bootloader if it would be any helpful.

michal_alton said:
Hi. To start with I bought a phone from a friend which I knew was faulty but decided to take my chances and try to fix it. He claims he did nothing to the phone but don't know for sure. Phone is in constant bootloop, Goes until splash screen and reboots. Worst yet to come - even bootloader menu restarts on constant basis when i try to get into it. Meaning it goes into bootloader but restarts in few seconds before i can get to factory reset. Computer is not picking up this device but i also don't have any drivers installed but don't even know how to install them with a phone in this state. Is there anything i can do about it? Been with Samsung for the past few years and here is everything completely different so don't know much about adb but am a quick learner and can follow any steps! I can provide picture of bootloader if it would be any helpful.
Click to expand...
Click to collapse
Send a picture of the bootloader while I find the drivers you need

Seems like battery is completely dead as it only reboots when there is power supply connected, but then it won't turn off (any charging light don't come on, not sure if it should though). Just now i've seen a vodafone logo for a very short second when I connected to pc from charger. But phone rebooted again just after.
HTC_Phone said:
Send a picture of the bootloader while I find the drivers you need
Click to expand...
Click to collapse
edit. downloaded drivers (4.8) but that didn't change anything and windows still doesn't pick up device.
After connecting my one to computer for past 3 hours its started more frequently boot and showing Vodafone menu but still restarts shortly after. Vodafone logo shows on and lights on soft buttons starts flashing like 3 times and than it keeps rebooting. Does it mean anything?

michal_alton said:
Seems like battery is completely dead as it only reboots when there is power supply connected, but then it won't turn off (any charging light don't come on, not sure if it should though).
Click to expand...
Click to collapse
Have you checked this: http://forum.xda-developers.com/showthread.php?t=2481211
michal_alton said:
After connecting my one to computer for past 3 hours its started more frequently boot and showing Vodafone menu but still restarts shortly after. Vodafone logo shows on and lights on soft buttons starts flashing like 3 times and than it keeps rebooting. Does it mean anything?
Click to expand...
Click to collapse
That almost sounds like your POWER button is stuck!! Are you able to completely power off, and it stays off.

I think i know what it is. Power button stuck and keeps restarting device. Although i can feel pressing it, this is what it looks like.

nkk71 said:
Have you checked this: http://forum.xda-developers.com/showthread.php?t=2481211
That almost sounds like your POWER button is stuck!! Are you able to completely power off, and it stays off.
Click to expand...
Click to collapse
Didn't see your comment but this is exactly how it looks to me. I can't switch off phone and in bootloader it acts like i was pressing power button. Although it operates normally meaning that it can be pressed down. Arranged warranty repair with HTC and they are collecting phone tomorrow.

michal_alton said:
Didn't see your comment but this is exactly how it looks to me. I can't switch off phone and in bootloader it acts like i was pressing power button. Although it operates normally meaning that it can be pressed down. Arranged warranty repair with HTC and they are collecting phone tomorrow.
Click to expand...
Click to collapse
Good luck mate, but definitely sounds like the power button is stuck

It's been fixed under warranty by HTC. They replaced motherboard on mine HTC. So all good

My One keep restarting and stuck at HTC screen

Hey guys,
So I have had my One more than a year, never root, never install any mod in it, just simple, daily use. It worked well till last night when some weird thing happened:
- At first, the Back, Home and HTC buttons keep flashing along with the screen. When I unlock my screen pass lock and go to the home screen, it showed a notification like "To restart the phone, keep pushing the power button for (x) second" with x is the count down number. After that, the phone is automatically rebooting, then the problem happen again.
- After a few times, I manage to shut it down properly then turn the phone up. As I notice, as long as I doing something with the phone such as calling somebody or checking facebook or simply sliding the home screen, thing is normal. But as I stopped using it, that weird notification pop up again
- The phone keep restarting after that, again and again. Sometime it boot successful, but when Im go to the home screen, the notification shows up and my phone restarts again. As I couldnt turn off my phone, it is drained and out of battery.
- This morning, I put the cable in and try to charge it, and My One now stuck at the first HTC logo screen then restarting and then stuck again. That looping process is drive me crazy. As I try to pull out the cable, the phone is not working (Obviously) since it is out of battery.
- As I hold down Power and Volume down, I can enter bootloader screen. I saw a "locked" banner and cannot navigate through the menu and can not press Fastboot or anything. After 2-3 seconds, the phone is shut down and keep looping.
Long story shot, can anybody tell me how to fix this. As I have a lot of pictures that havent been backed up, I really appreciate if I can keep everything without doing a factory reset. Oddly enough, I cant even do a factory reset since the bootloader is not working.
Please help.

Have you tried a factory reset?
On boot, bottom down n power will take u to fastboot.
You can do a factory reset from there.
HTC sync can save your stuff.
Sent from my HTC One_M8

mashk said:
Have you tried a factory reset?
On boot, bottom down n power will take u to fastboot.
You can do a factory reset from there.
HTC sync can save your stuff.
Sent from my HTC One_M8
Click to expand...
Click to collapse
As I mentioned above, I can hardly do anything from that fastboot screen. Up, down and power button is not working as I cannot navigate to recovery or factory reset. Even pushing power button wont do.
When I connect the phone to PC, nothing happen. It is because the phone is out of battery i suppose?
The problem is when I start to charge the phone, it will keep looping. But if I dont, the phone is death and I cant do anything.

I honestly dont know. I suspect you have
Fast boot selected under Settings>power.
You've got to try till you can get into fastboot otherwise send it for repairs.
Sent from my HTC One_M8

evelucife said:
Hey guys,
So I have had my One more than a year, never root, never install any mod in it, just simple, daily use. It worked well till last night when some weird thing happened:
- At first, the Back, Home and HTC buttons keep flashing along with the screen. When I unlock my screen pass lock and go to the home screen, it showed a notification like "To restart the phone, keep pushing the power button for (x) second" with x is the count down number. After that, the phone is automatically rebooting, then the problem happen again.
- After a few times, I manage to shut it down properly then turn the phone up. As I notice, as long as I doing something with the phone such as calling somebody or checking facebook or simply sliding the home screen, thing is normal. But as I stopped using it, that weird notification pop up again
- The phone keep restarting after that, again and again. Sometime it boot successful, but when Im go to the home screen, the notification shows up and my phone restarts again. As I couldnt turn off my phone, it is drained and out of battery.
- This morning, I put the cable in and try to charge it, and My One now stuck at the first HTC logo screen then restarting and then stuck again. That looping process is drive me crazy. As I try to pull out the cable, the phone is not working (Obviously) since it is out of battery.
- As I hold down Power and Volume down, I can enter bootloader screen. I saw a "locked" banner and cannot navigate through the menu and can not press Fastboot or anything. After 2-3 seconds, the phone is shut down and keep looping.
Long story shot, can anybody tell me how to fix this. As I have a lot of pictures that havent been backed up, I really appreciate if I can keep everything without doing a factory reset. Oddly enough, I cant even do a factory reset since the bootloader is not working.
Please help.
Click to expand...
Click to collapse
looks like an hardware defect, maybe your power button is stuck?

alray said:
looks like an hardware defect, maybe your power button is stuck?
Click to expand...
Click to collapse
I dont think so man. It seems working normal for me. But thanks anyway

evelucife said:
I dont think so man. It seems working normal for me. But thanks anyway
Click to expand...
Click to collapse
"To restart the phone, keep pushing the power button for (x) second" with x is the count down number.
Click to expand...
Click to collapse
Because this is exactly the message we usually get when holding the power button for more then 5 sec...
and that would explain the reboot issue
looks like the "power" key is always active
definitively sounds like an hardware issue imo
and your issue is even present in bootloader what confirm that this is an hardware defect.

alray said:
Because this is exactly the message we usually get when holding the power button for more then 5 sec...
and that would explain the reboot issue
looks like the "power" key is always active
definitively sounds like an hardware issue imo
and your issue is even present in bootloader what confirm that this is an hardware defect.
Click to expand...
Click to collapse
Yeah u has a point. Any idea how to fix that? Or I have to bring it to someone else to fix it.

evelucife said:
Yeah u has a point. Any idea how to fix that? Or I have to bring it to someone else to fix it.
Click to expand...
Click to collapse
You'll probably have to send it for repair. Better to contact HTC and see how much it will cost...

alray said:
You'll probably have to send it for repair. Better to contact HTC and see how much it will cost...
Click to expand...
Click to collapse
Thanks man. I will see if i can do.

Help!! Nexus won't turn on

Can someone please help??
I have a locked Nexus 6 with Stock android. Had this issue today where the phone just froze and then went into a bootloop. At first I got into the bootloader, and pressed factory reset, but nothing happened. Then I became curious/impatient and tried some of the other menus. Last one I tried was QCOMM, and now my phone is totally bricked! I can't get it to start or even charge. Needless to say, I can't even get into fastboot.
Can't even connect it to my computer. Maybe someone out there can help me since I am a complete n00b at this!

If you can't get it to start. ..and if the pc doesn't detect it...look for something called JTAG
Sent from my SM-N910G using Tapatalk

long press the power button for 20 seconds straight, that should get it to reboot.

I've tried long pressing the power button as well as the power + volume down buttons for up to a minute, but nothing happens.
Seems like I'm pretty much screwed and have to send it back. It won't even take charge.

I finally managed to turn it on, but it entered into a boot-loop and would not get past the Google logo. In fastboot, the recovery option is in red. Is it supposed to be that way or is it because my phone is locked? When I click recovery,
nothing happens. The phone just goes back to the boot loop.
Edit: Now it's dead again. Effing great!

Is your phone 100% bone stock? Or did you try doing some stuff?

It's 100% stock. I haven't done anything to it.