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[Q] My tablet wont boot, only a black screen thats blank.

I cannot seem to get my gtab to boot anymore. I was in the middle of flashing it a week ago and I hit the power button in the middle of the process, and it shut off. I have been unable to boot it beyond a black screen since then.
I tried to put cwmod on the microsd card and hold power + volume up while booting but nothing happens.
Does anyone have any ideas on how to fix it?

Yeah - I bricked mine as well trying to get rid of the birds. Will post link to my fix shortly.

ensign.fodder said:
Yeah - I bricked mine as well trying to get rid of the birds. Will post link to my fix shortly.
Click to expand...
Click to collapse
Try this --> http://forum.xda-developers.com/showthread.php?t=861950

unhappyrobot said:
I cannot seem to get my gtab to boot anymore. I was in the middle of flashing it a week ago and I hit the power button in the middle of the process, and it shut off. I have been unable to boot it beyond a black screen since then.
I tried to put cwmod on the microsd card and hold power + volume up while booting but nothing happens.
Does anyone have any ideas on how to fix it?
Click to expand...
Click to collapse
Same thing with me, nothing but a black screen, the method posted on the link below really worked for me give it a try.
ensign.fodder said:
Try this --> http://forum.xda-developers.com/showthread.php?t=861950
Click to expand...
Click to collapse

Awesome, thanks guys nvflash did the trick!

help!
I had a very similar issue but I don't see how nvflash will help. My tablet refuses to load at all after a failed rom attempt. I don't get the load screen and I definitely can't do the power + volume button reset.
Any assistance would be greatly appreciated!

theclosh said:
I had a very similar issue but I don't see how nvflash will help. My tablet refuses to load at all after a failed rom attempt. I don't get the load screen and I definitely can't do the power + volume button reset.
Any assistance would be greatly appreciated!
Click to expand...
Click to collapse
Note that nvFlash is power - volume, not power + volume that's used to get into recovery mode. while using nvflash, you need to have tablet to be connected to the pc in order to run nvflash. when power - volume is pressed, screen appears to be turned off on the tablet, until you run nvflash.bat on pc to push the stock rom. Hope that helps..

The black screen after the "birds logo" or even when you power on and don't get the logo is when the tablet is stuck in APX mode. It is hard to tell the difference between tablet off and tablet on in apx mode.
The best thing to do is plug in USB to the PC and see if the tablet shows up as a device (check device manager on Windows). If there is nothing popping up in Dev. Manager then try pressing the power button again to turn it on. Even though the screen still looks off, the device should come up and you can access it with nvflash.
As others have said, using nvflash to get back to stock, or even just flashing CWM recovery will sometimes work.

[Q] CM 10.1 Permanent Soft Brick?

Running CM 10.1, 06/08 Nightly
I did search the threads and google, but could not find any posts about a phone that works normally except for download and recovery.
Problems:
1. Can't boot into recovery (via apps, power menu, or manually). It gets to the boot logo, and then blank screen and resets. It will keep resetting trying to go into recovery (a battery pull will put it back to normal).
2. Can't stay in download mode. When I put the phone in download mode, it turns off after a couple seconds. I can't ODIN it if it keeps turning off.
3. Power button doesn't work properly (sometimes it works, most of the times it doesn't). Example: I press the power button to close the screen. No response. A few minutes later I might press it, and the screen will close, but come back on and this time with power menu. I took out the button to verify that it wasn't stuck, and tried pressing the actual button inside the phone with the stick. I can feel it click, but it still has the same problems. Pretty sure it's not a stuck button.
What's working:
-Everything else. If I let the phone boot normally, it loads perfectly fine and into cyanogenmod. No issues with voice/data, any apps, or instability. No battery issue. No lag. No crashes. The only issue is with the power button, and my inability to boot into recovery or go into download mode.
History:
-I was experiencing a random reboot problem (and power button issue) from an earlier nightly, and I waited a couple months for a more stable version. The CWM recovery for some reason only worked sometimes. When I did get it to work, I flashed RC5 (format and wipe data, dalvik, cache, factory reset, etc.), which fixed my reboot problem, but not my power button.
-I came across this thread: at plus.google(.com)104277415207525128383/posts/iAVpVPYqMtM and updated the radio, even though the RC5 fixed my random reboot.
-I did try flashing CWM, TWRP, and Stock recoveries (the latest ones, and from CWM/EZ recovery apps), but have not tried CWM Touch. It doesn't seem to matter, it won't boot into recovery.
Perceived Solution:
-I have a plan with Best Buy - I am considering smashing the phone and getting it replaced with a refurb, but would like to avoid that if possible.
Anyone have any ideas? I am okay with the phone as is, but I would like to be able to update CM or to another ROM in the future
Thanks for helping me out!

Can you get into recovey just long enough to do a system wipe?
Sent from my Rooted Verizon Samsung Galaxy S4 using xda premium

DarkMenace said:
Can you get into recovey just long enough to do a system wipe?
Sent from my Rooted Verizon Samsung Galaxy S4 using xda premium
Click to expand...
Click to collapse
Thanks for responding; It doesn't boot into recovery at all. Right after holding Vol. Up, Menu + Power, I get the screen with the small text in the corner, so you know it's going to enter recovery. Then the logo appears, except after that the phone either hangs with a blank screen, shuts off, or resets itself.
I think something got corrupted, but I'm not sure how to find out what, or what steps I could take to fix it.

phospholipid1 said:
Thanks for responding; It doesn't boot into recovery at all. Right after holding Vol. Up, Menu + Power, I get the screen with the small text in the corner, so you know it's going to enter recovery. Then the logo appears, except after that the phone either hangs with a blank screen, shuts off, or resets itself.
I think something got corrupted, but I'm not sure how to find out what, or what steps I could take to fix it.
Click to expand...
Click to collapse
Unfortunately if you can't get into the recovery mode or the Odin mode then you would need to replace the phone. It's bricked.

DarkMenace said:
Unfortunately if you can't get into the recovery mode or the Odin mode then you would need to replace the phone. It's bricked.
Click to expand...
Click to collapse
Thanks for the response.
Yeah, that's what I thought. I've never really heard or seen someone with a "functionally bricked" phone, so I'm not sure what to do.
Before I go ahead and smash it for the insurance replacement, I want to see if anyone else has any ideas..
Like I said, the phone boots normally just fine. Is there some kind of app that can flash files? Or maybe some commands I can enter in the terminal emulator?

phospholipid1 said:
Thanks for the response.
Yeah, that's what I thought. I've never really heard or seen someone with a "functionally bricked" phone, so I'm not sure what to do.
Before I go ahead and smash it for the insurance replacement, I want to see if anyone else has any ideas..
Like I said, the phone boots normally just fine. Is there some kind of app that can flash files? Or maybe some commands I can enter in the terminal emulator?
Click to expand...
Click to collapse
Have you tried Odin Mobile Pro? I've never used it myself, but I've heard a lot of good things about from some friends.

It sounds to me like a faulty power button, it isn't hardbricked because your phone is able to boot into recovery and download mode. But If for some reason your power button is stuck in the on position, it will skip booting into recovery and eventually boot out of download mode. Just because the power button physically moves and clicks doesn't mean it can't get stuck, there's obviously something funny going on with it that isn't rom/kernel regulated.
You can try terminal emulator to see if it will work, but I honestly wouldn't do anything in any menu because your phone has the potential to reboot during a process and destroy your phone. Commands are:
su
reboot recovery
su
reboot download
If it's a power button issue, best buy should replace it anyways, you shouldn't have to smash it. Samsung will also fix it under your manufacturer warranty despite it being rooted.
Sent from my SCH-I535 using Tapatalk 2

Thanks for responding, guys
rellomar said:
Have you tried Odin Mobile Pro? I've never used it myself, but I've heard a lot of good things about from some friends.
Click to expand...
Click to collapse
Yes, I did. This brings me back into download mode, at which the phone just turns off.
BadUsername said:
It sounds to me like a faulty power button, it isn't hardbricked because your phone is able to boot into recovery and download mode. But If for some reason your power button is stuck in the on position, it will skip booting into recovery and eventually boot out of download mode. Just because the power button physically moves and clicks doesn't mean it can't get stuck, there's obviously something funny going on with it that isn't rom/kernel regulated.
You can try terminal emulator to see if it will work, but I honestly wouldn't do anything in any menu because your phone has the potential to reboot during a process and destroy your phone. Commands are:
su
reboot recovery
su
reboot download
If it's a power button issue, best buy should replace it anyways, you shouldn't have to smash it. Samsung will also fix it under your manufacturer warranty despite it being rooted.
Sent from my SCH-I535 using Tapatalk 2
Click to expand...
Click to collapse
Thanks for the commands; they ended up just shutting the phone off.
Yeah, I did ponder the idea that even though the power button "clicked," it might not necessarily be working. I google searched "galaxy s 3 broken power button" and there was a video with a description where the guy mentioned something about the circuit always being switched "on"
But his phone experienced different symptoms than mine (because the circuit was always switched on, the phone actually restarted itself while in normal operation. This hasn't happened to me).
Is there an app for me to definitely determine which buttons are being registered as they are pressed? Similar to programs that tell you what buttons you're pressing on your keyboard.
I would take it back to Best Buy, but I just don't want to give them any reason to say it was my own fault since I rooted and put a custom ROM on it.
Haha, I'll dunk it in salt water in favor of smashing it
Thanks again for your suggestions and ideas :cyclops:

Bricked Phone?

I went out partying last night, woke up to a crack on my nexus 5 and wouldnt turn on but the led would flash red. I figured it lost its charge. Charge the phone for few hours, phone would turn on and off right away as if it still were not charged. It would than shut off but restart to a screen that said Firmware Update- Please wait while it installs- B100. Nothing would install, it would stay at 0%. So I held the power button and now, it only turns on to the google sign and keeps looping from there. I tried to turn it on in recovery mode but that doesnt work either. My phone was never rooted, bootloader never unlocked and I never put it in debugging. I dont know what to do!

so the ol' 3-button combo doesn't get you to the bootloader?

Yes, it does. Forgot to mention that.

tonytouch311 said:
Yes, it does. Forgot to mention that.
Click to expand...
Click to collapse
I don't know what you did, but your phone is not bricked. Hope you have a recent backup. If you can get into the bootloader I'd try a factory reset in recovery. If that doesn't work then you're going to have to unlock the bootloader and try to flash the factory image. None of this may work as idk what you did to your phone, but this is what I'd do.

Is flashing a factory image/unlocking bootloader possible even tho I can't get into the settings menu to turn on debugging option?

tonytouch311 said:
Is flashing a factory image/unlocking bootloader possible even tho I can't get into the settings menu to turn on debugging option?
Click to expand...
Click to collapse
Yes, adb and fastboot are not related.
Sent from my Nexus 10 using Tapatalk 4

Are there any guides you all might suggest that are easy to understand?

Ask your friends what happened last night. Sounds like a good party
==**Team Nexus 5 sucks.**==
-Underpowered battery for a 5inch 1080p screen that is non-removable. Weak generic antenna that drops signal. Worst speaker of any device on the market. Cheap plastic build

tonytouch311 said:
Are there any guides you all might suggest that are easy to understand?
Click to expand...
Click to collapse
Alright, here. The catch-all solution: flash the factory image as in this thread http://forum.xda-developers.com/showthread.php?t=2513701.
Just remember to cd to your adb directory, I made that mistake and almost fainted because I thought my device was totally broken when fastboot devices listed nothing.
dicecuber said:
Ask your friends what happened last night. Sounds like a good party
==**Team Nexus 5 sucks.**==
-Underpowered battery for a 5inch 1080p screen that is non-removable. Weak generic antenna that drops signal. Worst speaker of any device on the market. Cheap plastic build
Click to expand...
Click to collapse
Really?? Is this your sig or just something totally irrelevant that you decided to insert into your reply? Do you even own one?

droid_<3er said:
Really?? Is this your sig or just something totally irrelevant that you decided to insert into your reply? Do you even own one?
Click to expand...
Click to collapse
It's his sig. Just ignore him.

I was able to flash everything and it seemed successful. But, I can only get as far as GOOGLE and than it keeps rebooting.

tonytouch311 said:
I was able to flash everything and it seemed successful. But, I can only get as far as GOOGLE and than it keeps rebooting.
Click to expand...
Click to collapse
If that's the case it sounds like you may have knocked something loose internally when whatever happened that caused the damage to your screen. Possibly a solder point or a cable coming loose.

Opened up the back cover, looks like condensation.....ill leave it alone for a few days and try again.

Reset
tonytouch311 said:
I was able to flash everything and it seemed successful. But, I can only get as far as GOOGLE and than it keeps rebooting.
Click to expand...
Click to collapse
Did u do another factory reset after last flash as this may need doing on some phones from what I've watched on good old YouTube...Good luck..

^Why would he factory reset when the phone is wet? You'll short circuit it that way..

The only method of a factory reset I've read about was turning on in Recovery, waiting for the little android, and holding Vol + and Power. Thing is my phone would never get to the little android, just loop on the GOOGLE introduction. Is there another method to factory reset?

tonytouch311 said:
The only method of a factory reset I've read about was turning on in Recovery, waiting for the little android, and holding Vol + and Power. Thing is my phone would never get to the little android, just loop on the GOOGLE introduction. Is there another method to factory reset?
Click to expand...
Click to collapse
Turn your phone off. Then hold power + vol down. It should boot into the boot loader. You'll see a "start" Then use the vol rocker to toggle to recovery. Once there push the power button. You should be in recovery. Then use the vol rocker to toggle to factory reset. Then use power to select it.

jd1639 said:
Turn your phone off. Then hold power + vol down. It should boot into the boot loader. You'll see a "start" Then use the vol rocker to toggle to recovery. Once there push the power button. You should be in recovery. Then use the vol rocker to toggle to factory reset. Then use power to select it.
Click to expand...
Click to collapse
Thats the method I'm unable to use...I was hoping there might be a string of code I could type into a command prompt being that I can only turn on the phone into the boot loader.

tonytouch311 said:
Thats the method I'm unable to use...I was hoping there might be a string of code I could type into a command prompt being that I can only turn on the phone into the boot loader.
Click to expand...
Click to collapse
Try
fastboot reboot recovery
Edit, sorry that's not going to work. Find the stock recovery image. Then try
fastboot boot recovery.img

So I was able to boot in recovery and factory reset, although the problem still persists. I will try and flash all images tomorrow. Thanks for all the help! Happy holidays!

Solar red boots then loops

I just recently received my u11 I am running in cricket wireless. Is has been rebooting every now and then. Sometimes up to 10 times. Anyone else having his problem?

sortoh85 said:
I just recently received my u11 I am running in cricket wireless. Is has been rebooting every now and then. Sometimes up to 10 times. Anyone else having his problem?
https://lh3.google.com/u/0/d/0B25HRqZ1gsyEbWpVamdHc0h1ZEk=w194-h145-p-k-nu-iv1
Click to expand...
Click to collapse
i cannot access the link you posted and don't know what is there.. there shouldn't be any reboots ofc, try usual methods (put another sim card to test, factory reset, etc.) if it doesnt help send it back to HTC

sortoh85 said:
I just recently received my u11 I am running in cricket wireless. Is has been rebooting every now and then. Sometimes up to 10 times. Anyone else having his problem?
https://lh3.google.com/u/0/d/0B25HRqZ1gsyEbWpVamdHc0h1ZEk=w194-h145-p-k-nu-iv1
Click to expand...
Click to collapse
Here is a catlog of one of the reboots, I have done manual reboot, boot in to safe mode, tried factory reset but it will not do it (I press OK to confirm and it will wait but then do the normal reboot )

sortoh85 said:
I just recently received my u11 I am running in cricket wireless. Is has been rebooting every now and then. Sometimes up to 10 times. Anyone else having his problem?
https://lh3.google.com/u/0/d/0B25HRqZ1gsyEbWpVamdHc0h1ZEk=w194-h145-p-k-nu-iv1
Click to expand...
Click to collapse
Client does not have permission to access the url. Error 403.
Have you done anything to the phone like unlocking bootloader, root attempt etc?..
Beamed in by telepathy.

shivadow said:
Client does not have permission to access the url. Error 403.
Have you done anything to the phone like unlocking bootloader, root attempt etc?..
Beamed in by telepathy.
Click to expand...
Click to collapse
I added the log in the 3 post, one right above your original. Noni have not ... Fully locked and stock. As of right now its stuck rebooting I can't even use it anyone when I tried to go to recovery mod it just gives me a red exclamation point inside a triangle. And I can't do anything there ( tried doing that to see if I can factory reset from recovery mode but no luck)

sortoh85 said:
I added the log in the 3 post, one right above your original. Noni have not ... Fully locked and stock. As of right now its stuck rebooting I can't even use it anyone when I tried to go to recovery mod it just gives me a red exclamation point inside a triangle. And I can't do anything there ( tried doing that to see if I can factory reset from recovery mode but no luck)
Click to expand...
Click to collapse
once in recovery ( a red exclamation point inside a triangle) press power button and once volume up.

Dose not do anything.

sortoh85 said:
Dose not do anything.
Click to expand...
Click to collapse
Did you do the action velimirchek mentioned? Press and hold power and tap vol up once while still holding to power button at that red exclamation mark screen

Conan1986 said:
Did you do the action velimirchek mentioned? Press and hold power and tap vol up once while still holding to power button at that red exclamation mark screen
Click to expand...
Click to collapse
Ok I guess I was doing something wrong, just tried it one more time, did a FRB and it seems to be working.

Ok it started again. It happened when I was setting up a Bluetooth device

Phone stock on Galaxy Note 8 screen

I really need help, some how my wife push some buttons and now the phone keep restarting it self and no passing the NOTE 8 screen.
Phone is able to enter on download mode ( already try several roms but still same issue )
Phone NOT able to enter recovery mode

frankcastillo said:
I really need help, some how my wife push some buttons and now the phone keep restarting it self and no passing the NOTE 8 screen.
Phone is able to enter on download mode ( already try several roms but still same issue )
Phone NOT able to enter recovery mode
Click to expand...
Click to collapse
I hate to suggest it, but have you done a factory reset?

kangi26 said:
I hate to suggest it, but have you done a factory reset?
Click to expand...
Click to collapse
How can I do it if the phone is not entering recovery mode?

frankcastillo said:
How can I do it if the phone is not entering recovery mode?
Click to expand...
Click to collapse
Sorry I read that totally wrong.........
When you say it wont go into Recovery, what happens? If you're getting the "recovery error" keep waiting it'll pass that screen

kangi26 said:
Sorry I read that totally wrong.........
When you say it wont go into Recovery, what happens? If you're getting the "recovery error" keep waiting it'll pass that screen
Click to expand...
Click to collapse
When I try to go into Recovery the phone shows the Samsung Note 8 screen for a few seconds and restart and continues doing that.

frankcastillo said:
When I try to go into Recovery the phone shows the Samsung Note 8 screen for a few seconds and restart and continues doing that.
Click to expand...
Click to collapse
MAYBE you're not holding the buttons long enough? Try to keep holding the buttons and see if it gets past the "Samsung Note 8" Screen