HELP!! phone won't turn back on - One (M7) Q&A, Help & Troubleshooting

so i tried to install twrp it seemed to have installed fine i went to boot into recovery and it froze. so i held down the power button till it turned off and now it won't turn back on. HELP ME!!

never mind just had to hold down the power button for awhile. guess it got stuck in a loop.

Wrong thread
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Phone stuck

my phone stuck on att rethink possible im rooted is there anything to restore it i tried to install rom manager and flash it then i tried to reboot it now its stuck on rethink possible can anyone help please?
Turn off the phone and turn on holding the power and volume down key, then release the power button you'll get to original recovery then restore. See if it helps
Sent from my LG-P925 using xda premium

Galaxy ace boot issue

OK guys, long story short my mates galaxy ace won't boot up, randomly turned off one day and booted to recovery, power button doesn't work so can't select reboot, my theory is power button is stuck in? It also has a message about csc error which is new to me.
If I flash stock rom through odin, it should reboot automatically right? However can I change the startup button because if the phone turns off it won't boot again unless I flash again through Odin which is a pain. Any help is appreciated, thanks in advanced guys
Sent from my GT-I9100 using xda app-developers app
if u still have your warranty, you can get it to a service center... they would fix the power button..
My friend bought the phone off a private seller so no such warranty :/ thanks for the reply however
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trooperjohn said:
OK guys, long story short my mates galaxy ace won't boot up, randomly turned off one day and booted to recovery, power button doesn't work so can't select reboot, my theory is power button is stuck in? It also has a message about csc error which is new to me.
If I flash stock rom through odin, it should reboot automatically right? However can I change the startup button because if the phone turns off it won't boot again unless I flash again through Odin which is a pain. Any help is appreciated, thanks in advanced guys
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
If You Insert The Battery Charger Plug Whyle Holding The Center Button ... The Phone Will Turn On

[Q] Help! Soft brick on SGH- i957 LTE

I bricked my tablet after I tried to change my font using font installer by jrummy?
It asked me to restart for changes to occur so I figured if I restarted on my own it would work the same way so I hit cancel. I restarted about 1 minute after I hit cancel.
My tablet will boot up to the AT&T "Rethink possible" screen (after the animation).
It will get stuck there with a pattern of light vibrations between a couple seconds each.
Currently running the stock AT&T ics rom posted in the android dev section for i957.
I've tried to boot into recovery but the Samsung screen doesn't come up until I let go of the buttons therefore leading it to reboot again.
Also tried to go into the emergency download mode ( power, up, down) but it didn't work either.
I appreciate all and any advice, please and thank you!
My device is rooted if that wasn't already implied, I will provide any other details if needed, please help!!
Thanks again!
Are you sure you can't get into recovery mode? Hold power and volume up buttons, etc. Does Odin recognize the device?
Do you have a custom recovery, and if so which one, or is it stock.
Sent from my SAMSUNG-SGH-I957 using xda app-developers app
keep trying to get into download mode or recovery. should be possible. the font change will not affect recovery.
I was also performing a backup with titanium backup when I restarted does that make a difference?
I have clockwork mod recovery.
From experience, I can only go into recovery if the Samsung logo pops up for a milli second and I let go.
I actually haven't tried to see if Odin recognizes my device but I assumed if I couldn't go into download mode it wouldn't.
MzzSarahx3 said:
I was also performing a backup with titanium backup when I restarted does that make a difference?
I have clockwork mod recovery.
From experience, I can only go into recovery if the Samsung logo pops up for a milli second and I let go.
I actually haven't tried to see if Odin recognizes my device but I assumed if I couldn't go into download mode it wouldn't.
Click to expand...
Click to collapse
Were you restoring apps from a honeycomb Rom? That will cause a soft brick.
Sent from my SAMSUNG-SGH-I727 using xda premium
If you can get into recovery do a factory reset. That should get you out of a soft brick. You'll have to re-install your apps though.
Sent from my SAMSUNG-SGH-I957 using xda app-developers app
I never use tibu anymore
Sent from my SAMSUNG-SGH-I727 using xda premium
Didnt see if you worked your way out of this or not. You may have to hold 3 finger salute (power, up, down) for up to 16 seconds. My guess is that covers the 8 seconds to reboot through any hang up plus up to 8 more to boot to menu.
Still no luck, the computer is not detecting my tablet.
I also wasn't restoring, I was just backing up my data. I'm letting it charge for now, anyone know what else I should do?
I really can't enter recovery OR download.
**** UPDATE****
Okay guys I finally fixed it. Will post details if anyone is still interested.
I'd be interested in the details.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
How did you do?
Sent from my SAMSUNG-SGH-I957 using xda app-developers app
I couldn't go into download mode until I did some weird trick with the buttons.
I had to hold the 3 buttons ( power, vol up, vol down) for a couple seconds.. like 6 seconds
THEN hold power and vol up for 2 secs
THEN back to power, vol up, vol down.
I did it by accident cuz I was frustrated but it ended up working so all is good
Thanks for all the help guys!!
I am in the Same Boat!
MzzSarahx3 said:
Still no luck, the computer is not detecting my tablet.
I also wasn't restoring, I was just backing up my data. I'm letting it charge for now, anyone know what else I should do?
I really can't enter recovery OR download.
**** UPDATE****
Okay guys I finally fixed it. Will post details if anyone is still interested.
Click to expand...
Click to collapse
Please Post the fix as I am having the same exact issue as you were! Thanks
The fix has already been posted. :good:

[Q] Stuck on HTC logo. Seems bricked. Help?

Hey everyone, first time here! (And unfortunately not a happy first post)
So, I recently got this HTC One and was trying to get back to stock ROM after a journey with CyanogenMod 10.1 (Which was awesome, but a bit laggy).
Now, I wanted to go back to stock, and so I flashed this ROM I found on these forums (that said to be a .401 version that was stock and the most recent version). Biggest problem here, I'm pretty sure I forgot to wipe data and cache.
The problem that I have right now is that my phone is stuck on the HTC logo, without me being able to shut it down...at all.
I can't boot to bootloader, can't boot to recovery, can't do anything
When I press on the power button (Tried up to a minute) the back and home button start blinking, but nothing else.
When connected to my computer, the PC seems to detect it, but I'm not able to access the storage, or do anything fastboot related.
I'm kinda afraid my phone is bricked!
Help?
Thanks
Rule #1: if it does anything.. It's not bricked
You need to hold the light sensor up to a light source (lamp, sun, and etc..) and hold down the power button till it turns off. Then boot into bootloader and get to your recovery and wipe/re flash
Sent from my Tricked out HTC One
Wow! Thanks for quick response!
I was able to shut down the phone and get it to restart, but I'm not able to boot into the bootloader (holding volume down)
It just goes back to the HTC Screen (the one with Beats logo)
Just want to say thanks a ton!
I was able to boot back in the phone!
Thank you!
Lucky you! Rule #2....whenever rooting your stock ROM for the first time, boot up, then take a Nandroid, and keep one copy on SDcard and your computer!
And maybe going first with popular and proven Custom ROMs, close to stock. And taking a Nandroid of that one as well!
Glad you got it all sorted
Sent from my HTC One using xda premium
Awesome! Thanks for the tips!
Weird thing, I was able to flash Cyanogen, no problemo (since I didn't forget to wipe cache, etc.)
The other ROM I used was supposed to be a stock image (I had found another one that worked, but I thought the one I found later tonight was closer to the version that came with the phone).
Anyway, long story short, I'm a noob, and that's ok!
Thanks to everyone for the help!
Squirrel1620 said:
Rule #1: if it does anything.. It's not bricked
You need to hold the light sensor up to a light source (lamp, sun, and etc..) and hold down the power button till it turns off. Then boot into bootloader and get to your recovery and wipe/re flash
Sent from my Tricked out HTC One
Click to expand...
Click to collapse
Thanks for this, phone just randomly restarted after a crash and ended up at an error screen. No matter how long I held the power button down it wouldn't restart. I'm in a dark hotel room, so held it up to the window and it restarted immediately. 30 minutes of panic over
Sent from my HTC One using xda app-developers app
Squirrel1620 said:
Rule #1: if it does anything.. It's not bricked
You need to hold the light sensor up to a light source (lamp, sun, and etc..) and hold down the power button till it turns off. Then boot into bootloader and get to your recovery and wipe/re flash
Sent from my Tricked out HTC One
Click to expand...
Click to collapse
Wow. I have to say I was stuck at the HTC Boot logo to no avail (blinking capacitive buttons) and holding it up to a light source actually worked (while holding down power). Thanks so much.

NEED HELP no access to htc one

hey I need help
i have a htc one that is rooted. When i was trying to unroot it to stock when i restarted the phone and it had no rom on it and i cant get to bootloader.
the screen is black and when i try to shut it down the buttons just flash. the computer cant see it so i cant use fastboot
please help
madmitch3 said:
hey I need help
i have a htc one that is rooted. When i was trying to unroot it to stock when i restarted the phone and it had no rom on it and i cant get to bootloader.
the screen is black and when i try to shut it down the buttons just flash. the computer cant see it so i cant use fastboot
please help
Click to expand...
Click to collapse
If you can`t get into fastboot mode or boot up there is nothing you can do anymore and you have to turn it in for repair imo. Maybe someone else knows more about his but i can`t see a solution based on your info.
Keep your finger pressed on the power button and the lights will flash still keep it pressed they then stop flashing and phone will turn off about ten to fifteen seconds holding should do it. Once they go out let go of power button and press volume down button keeping it pressed until boot screen appears
Sent from my HTC One using Tapatalk 4 Beta
paul chambers said:
Keep your finger pressed on the power button and the lights will flash still keep it pressed they then stop flashing and phone will turn off about ten to fifteen seconds holding should do it. Once they go out let go of power button and press volume down button keeping it pressed until boot screen appears
Sent from my HTC One using Tapatalk 4 Beta
Click to expand...
Click to collapse
thanks for the help, i tried that and the lights just keep flashing
What did you do to unroot it to stock?
Take your phone and place it under a bright light and hold the power button down for 15 sec till it vibrates then boot into bootloader
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handman29 said:
What did you do to unroot it to stock?
Take your phone and place it under a bright light and hold the power button down for 15 sec till it vibrates then boot into bootloader
Sent from my HTC One using xda app-developers app
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Click to collapse
that still doesnt work
How did you try and unroot it? What method? Were you s off? I need to know the steps you took so I can help? Does the phone vibrate
Sent from my HTC One using xda app-developers app
handman29 said:
How did you try and unroot it? What method? Were you s off? I need to know the steps you took so I can help? Does the phone vibrate
Sent from my HTC One using xda app-developers app
Click to expand...
Click to collapse
i used website "ibtimes.co.uk/articles/476471/20130609/htc-one-unroot-official-firmware-android422-jellybean.htm" that method.
the phone doesn't vibrate
i dont know what i did but after not using the phone for a while i held down the power button then the vol down button and it went into bootloader.
thanks for everyones help
Hey guys me friend is looking to get back 2 stock and unroot his htc one so he can send it back to the shop, do u know any1 that can help him or even a thread that deals with that. Cheers
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