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[Q] recovering from a softbrick

So I have an lg g2x originally running gingerbread 2.3.3 and I went through this procedure -> http://forum.xda-developers.com/showthread.php?t=1259852&highlight=linux+g2x+root
Everything seemed to work as described except that the phone now will not boot. I get to the LG screen but then the buttons just blink and shuts down and tries to boot again.
I must have missed a step somewhere, though I am not sure where that might have happened. In any case, I would like to get this working or, at the very least, get the phone back and working.
I am running linux and do *not* have access to windows at all.

Which LG screen are you getting? The static one or the one with a moving green bar underneath it? Can you still boot into Clockworkmod Recovery or was that a no go? You need to give more detailed information so people can figure out at what point in the boot process your phone is rebooting.

I get that initial booting LG screen with the face and the letters LG, there is no green bar. It sits in that screen for 15 or 20 seconds then attempts to reboot. Well, thats what I assume happens. The screen goes black, the buttons along the bottom flash and then after a few seconds that white LG screen comes back and it does it all again. It never gets past that and never into CWM. I can still put it in the flash mode that allows nvflash to connect and do its thing, but thats about it.

If you have successfully nvflashed cwm. Then you should be able to get into cwm by holding volume down+power until it goes to a blueish LG screen. Then flash a rooted rom from there.
That is the easiest/safest way of rooting a g2x. If you haven't done this you can Google "nvflash g2x Linux" and find guides on how to do it.
Sent from my LG-P999 using xda premium

Right, thats exactly what should happen. Unfortunately, its not what actually happens. During bootup I a can hold power + volume down all day long and get the exact same behavior. Its a bit disconcerting.

[solved]
Guys, I found the problem and figured I would post it here for future folks.
I was unable to start my phone plugged into the charge (both to the computer and to the wall). I had to have the battery in for this to get to a good place. I guess initial startup just took too much power.
So if you do this, after using the restore script. Press the power button and volume down hold both, then *put in the battery*. Thats what worked for me.
thanks!

[Q] Nexus S i9020A Bricked due to failing power button - Odin seems the last hope?

Hi everyone,
INTRO:
So the power button on my Nexus S broke. No big deal, I remapped it to the search button and used the volume rocker to wake the device; an option that was embedded in Cyanogenmod9.
Then I upgraded to CM10... since I did that on top of CM9, my volume rocker option was still enabled, but the option is no longer in CM10's GUI.
I had some annoying issue and thought maybe I should wipe my phone; which I did.
Sadly, I realized that my "wake using volume rocker" option was no longer enabled, and there is no GUI to turn it back on.
I then found a .zip package that was supposed to enable the option but, I guess I went too fast, now my phone is stuck on a bootloop.
THE PROBLEM:
Since my power button is broken, I cannot navigate in the fastboot menu to recovery and fix the ROM.
Worst, since the power button is somehow shorted (i.e.: it powers on automatically when I insert the battery) Fastboot is not working properly and my PC never sees my phone, so you can forget about fastboot boot recovery.img
So: boot loop, power button broke, no recovery, no fastboot. =(
I searched quite a bit and found out you could get the Nexus S in download mode and get it to work with ODIN using a USB JIG.
I made myself such a JIG and successfully put the phone in some kind of download mode where my PC sees it, fastboot devices yields nothing *but* ODIN sees the phone!
So a glimmer of hope except for the fact that finding the .tar files for the Nexus S seems impossible...
Thoughts? Suggestion? TIA!
Francis // XC3N

Oh BTW:
-Yes I saw the other posts, but none of them mention the odin files
-Yes, I know fastboot is better; but it's not working and:
-No, I can't see the device on 3 different PCs using 3 different OSes and 3 Different cables when in fastboot mode
I mean by that last line that *nothing* shows in device manager in Win7 or XP and *nothing* shows in lsusb on ubuntu
So unless someone has an idea it looks like Download mode is the only way my PC sees my phone...

My power button done the same thing, I googled around and found a solution that worked for me.
It's somewhere here on xda but I don't got the link, basically everytime I booted into the bootloader I couldn't move the cursor with the volume button because the phone thought I was holding the power button, so I carefully tapped the casing around the power button and rebooted the bootloader and eventually I had control, it took 5-6 attempts to get it going but it did fix the power button for me.
I think it's something to do with the micro switches giving out after a certain number of uses.
Also it started screwing about recently so I just blew into the casing through the power button and it's behaved ever since.
In short, tap it until it works, once you have control of fastboot plug the usb in and your pc should detect it
Hope this helps, Good Luck
Sent from my U20i using xda app-developers app

Muckyfox said:
My power button done the same thing, I googled around and found a solution that worked for me.
It's somewhere here on xda but I don't got the link, basically everytime I booted into the bootloader I couldn't move the cursor with the volume button because the phone thought I was holding the power button, so I carefully tapped the casing around the power button and rebooted the bootloader and eventually I had control, it took 5-6 attempts to get it going but it did fix the power button for me.
Also it started screwing about recently so I just blew into the casing through the power button and it's behaved ever since.
Click to expand...
Click to collapse
Hey MuckyFox thanks for your reply!
Unfortunately, that would've worked back when the power button was flimsy and still working once in a while... I did try the tapping thing but really nothing works... the button seems entirely dead and shorted. I guess at this point I might've to bring it in for repair... if the power button isn't broken then I'll be able to easily fix everything in recovery or fastboot. Sucks because I feel like I'm so close to getting it to work without spending money XD I just can't find the files for odin even though they really do seem to exist.

Allright so I found some odin files which were said to work with the i9020a
I flashed them... at some point it said "RESET!" and then odin no longer saw the device. The device is now not booting at all. FML

So this thread is going to end up like every other similar thread: I went and bought a Galaxy Nexus ;P
For posterity, these are the files you shouldn't flash on i9020A:
BOOTLOADER : Bootloader_I9020XXJK1.tar
PDA : PDA_SOJU_GRH78_85442_SIGNED.tar
PHONE:
CSC : CSC_I9020_EUR.tar

My power button started failing over the last couple of days. First when I would set the phone to standby it would ask me if I wanted to switch off the device, then later on it wouldnt respond at all.
Really weird solution - boot into recovery, factory restore, clear dalvik cache, voila, works good as new! (aside from losing all my settings)
Note, I barely managed to get into recovery. The power button fully stopped working halfway through and I had to take the battery out and try it a couple of times.
Oddly, even during this uber-broken phase, the power button would always switch on the device when fully switched off (not just standby) indicating to me that it wasnt just a physical broken connection.

I've mentioned this before, but a full casing for the phone with all the buttons is around $10 on eBay
Sent from my Nexus S using xda app-developers app

XC3N said:
So this thread is going to end up like every other similar thread: I went and bought a Galaxy Nexus ;P
For posterity, these are the files you shouldn't flash on i9020A:
BOOTLOADER : Bootloader_I9020XXJK1.tar
PDA : PDA_SOJU_GRH78_85442_SIGNED.tar
PHONE:
CSC : CSC_I9020_EUR.tar
Click to expand...
Click to collapse
You need stuff for SOJUA, and just the fact CSC has EUR meaning Europe in it would scare the crap out of me. Possible you just flashed stuff meant for i9020T and not i9020A.

In case anybody comes back here, I'm just gonna drop this in.

Moto G unresponsive

Looking for a quick fix here as I can't go to the service centre and get a replacement until at least Tuesday, and I need my phone working before then. I'm hoping someone else has had the same problem and can help me out.
My Moto G froze and became unresponsive (while I was refreshing my Gmail inbox) and it would not accept any input. I held down the power button and the power menu opened, however when I tried to power it off, it wouldn't accept my touch input. So obviously the next course of action was to hold down the power button for 10 seconds to force a reboot. The Motorola logo appeared and the phone vibrated... then it did nothing.
I tried this a few times and still nothing happened. I am able to boot into the bootloader, but apart from that, the phone goes only so far into the boot cycle before the screen goes black and does nothing.
Motorola's website suggests that if the Moto G becomes unresponsive, and the regular 10 second reset doesn't work, you should hold the power button for 120 seconds and keep it plugged in to a charger. This didn't work either. As of right now, my phone is just sitting here on my desk with what I would call a 'black screen of death.' Help would be appreciated.
I cannot boot into recovery, I cannot access anything. The phone is stock, unrooted, and running KitKat 4.4.2 without any modifications whatsoever. It's about 5 months old now, so it's still covered by warranty and I don't want to void it.

Narwhal73 said:
Looking for a quick fix here as I can't go to the service centre and get a replacement until at least Tuesday, and I need my phone working before then. I'm hoping someone else has had the same problem and can help me out.
My Moto G froze and became unresponsive (while I was refreshing my Gmail inbox) and it would not accept any input. I held down the power button and the power menu opened, however when I tried to power it off, it wouldn't accept my touch input. So obviously the next course of action was to hold down the power button for 10 seconds to force a reboot. The Motorola logo appeared and the phone vibrated... then it did nothing.
I tried this a few times and still nothing happened. I am able to boot into the bootloader, but apart from that, the phone goes only so far into the boot cycle before the screen goes black and does nothing.
Motorola's website suggests that if the Moto G becomes unresponsive, and the regular 10 second reset doesn't work, you should hold the power button for 120 seconds and keep it plugged in to a charger. This didn't work either. As of right now, my phone is just sitting here on my desk with what I would call a 'black screen of death.' Help would be appreciated.
I cannot boot into recovery, I cannot access anything. The phone is stock, unrooted, and running KitKat 4.4.2 without any modifications whatsoever. It's about 5 months old now, so it's still covered by warranty and I don't want to void it.
Click to expand...
Click to collapse
Can you boot into bootloader mode and use adb command from a pc? If yes, maybe you can try to flash a stock recovery img file via your pc to phone.

echui2014 said:
Can you boot into bootloader mode and use adb command from a pc? If yes, maybe you can try to flash a stock recovery img file via your pc to phone.
Click to expand...
Click to collapse
Would that require unlocking my boot loader though? I don't want to void my warranty, especially considering I did nothing to the phone and it's currently unresponsive.

I am not sure - but my guess is that bootloader needs to be unlocked to install custom recovery to "recover" & backup userdata before flashing the entire original stock firmware; that's usually the first step we see in all those modding guide in different forums online.
How to get into safe mode
www[dot]youtube[dot]com/watch?v=NSHzoSEx8xY
** I am unable to post outside url yet.**
I suppose you can also contact motorola support to see if they can help you recover your data before getting the phone fixed or replaced under their warranty program.

[Completed] Htc One M8 hardware buttons working weirdly

Hello everyone! So I've had my phone (HTC One M8) rooted and custom recovery and rom installed for a little while now. The latest rom I've installed was Android Revolution HD 22.1. I also have twrp 2.8.1.0 installed. The other day my phone got wet and started to constantly reboot itself, wouldn't shut off and stay off, would never actually start. I put it in a cup of rice for 2 days, then proceeded to plug it in to charge it. Once charged enough I tried to turn it on. It only made it the HTC One logo screen and would vibrate every 10 seconds or so. I tried rebooting several times and no matter what I did with different button combinations I could not get it to load into bootloader. Eventually with restarting different ways and "mechanically stressing" the phone (short temper lol) I managed to get it to loading into the rom itself. From there I opened hasoons all in one toolkit to reboot directly into recovery and recovered to the stock rom. So the phone will now reboot with no problem into this rom. I haven't tried reflashing the ARHD 22.1 rom again because im afraid it'll break again. However, while in the stock rom everything work fines except for the volume up button which does nothing, except for while the screen is off, if I turn my phone to landscape the camera app will open without me even pressing the volume up button. If I reboot into bootloader via the quickboot app or hasoons toolkit, my volume down button with make the cursor go up, the volume up button does nothing, and the power button does nothing. The only thing I can do in bootloader is to hold power+volume up to get the phone to reboot. I also cannot get bootloader to load by holding volume down+power. So, After all that explaining, my main question would be, do you think that the buttons are shorting in a weird way because of water damage, or do you think my software got corrupted because of all the rebooting it did? Any help is appreciated, thanks!
-Tim

Hi,
You could try a clean flash of the rom.... If you're sure the wonky buttons won't interfere with the flash, because if they do... You'll be left with no OS on the device.
Water can affect many things, especially with power on while it was wet. This will be hard to solve, and could get costly. Usually with water damage, you fix or replace one thing, only to find now that something else doesn't work. Can turn into a real money pit.
You're issue isn't so bad, but my usual advice for worse cases are save your money for a new device, because you may never get your device fully working and spend a lot of money trying to fix it.
Ah, I just saw you already asked for help in your device section. Good. ?
Then this thread can be closed, as we're here to help navigate the site, not support.
Thank you.

Help requested for bringing S7 Edge back to life

Dear Learned ones,
I recently purchased a second hand Samsung S7 Edge phone, only to find out that it has a software KingRoot installed in it. I went into kingroot and then pressed some options to unroot it and then deleted kingroot app thinking it would have done the job but apparently not.
Now I have been trying to follow some youtube videos how to factory restore the phone but am stuck. The phone isn't simply going into download mode at all. I tried pressing vol down + power + main button but it simply does not work.
I would greatly appreciate if you can please help me with how do I go about restoring it to the factory mode.
Peace

no1sbusiness said:
Dear Learned ones,
I recently purchased a second hand Samsung S7 Edge phone, only to find out that it has a software KingRoot installed in it. I went into kingroot and then pressed some options to unroot it and then deleted kingroot app thinking it would have done the job but apparently not.
Now I have been trying to follow some youtube videos how to factory restore the phone but am stuck. The phone isn't simply going into download mode at all. I tried pressing vol down + power + main button but it simply does not work.
I would greatly appreciate if you can please help me with how do I go about restoring it to the factory mode.
Peace
Click to expand...
Click to collapse
Hi mate
Sometimes is tricky to get into download mode , when system is not 100% ok timing becomes an issue, keep trying it should work
Once there just flash a fresh firmware

Sometimes holding Volume Down & Home & Power until the phone reboots twice will work if doing it only once fails

Thank you, both for your replies and assistance. I have tried holding all three buttons down for good minute but nothing happens. It feels like that the screen lights up a little and then goes off again. I have been trying it over and over again few times but nothing happens
When I do it few times, it then comes back saying Android is starting... Optimising app XX of 102 and then starts normal again.
Is there a way i can insert two pictures here for you to see the main screen?

no1sbusiness said:
Thank you, both for your replies and assistance. I have tried holding all three buttons down for good minute but nothing happens. It feels like that the screen lights up a little and then goes off again. I have been trying it over and over again few times but nothing happens
When I do it few times, it then comes back saying Android is starting... Optimising app XX of 102 and then starts normal again.
Is there a way i can insert two pictures here for you to see the main screen?
Click to expand...
Click to collapse
As i said , is a matter of timing , keep trying , hold and release try again
So you can boot? are you rooted?
In the reply window is paperclip symbol click it there you can attach picture...but i am not sure if you are yet allowed...