X screen - Nexus 4 Q&A, Help & Troubleshooting

hello.
i have my nexus blocked to the screen with the X. .. I have neither root nor any other.
the phone had just finished charging (off), I unplugged the cable and turned on, when I reconnected the power cable and got stuck at the X.
Now I can only turn it off, if I relight remains locked to the X.
I made 2 reset, the normal and wipe cache, it's start, and I made the account synchronization, installed everything, but I turned it off with the battery at 13%, and when I turned on it happened again.
I formatted and reinstalled everything 2 more times, but the problem persists.
only two of times I was able to power cycle the phone

Your info is not clear. First you say the phone is neither root or any other but u did a wipe cache? How did you wipe cache? custom recovery? stock recovery?
Use the toolkit (http://forum.xda-developers.com/showthread.php?t=1995688) and Flash Google Factory stock. Warning: it will wipe everything in your phone and reset your phone to stock.

badboy47 said:
Your info is not clear. First you say the phone is neither root or any other but u did a wipe cache? How did you wipe cache? custom recovery? stock recovery?
Use the toolkit (http://forum.xda-developers.com/showthread.php?t=1995688) and Flash Google Factory stock. Warning: it will wipe everything in your phone and reset your phone to stock.
Click to expand...
Click to collapse
all stock....in recovery mode there is the voice wipe cache and Wipe System\format /system. I've done both
thinking about it, I have problems since I did fully discharge the phone and turned off

The /system partition contain the Android OS files, so when you wipe it, of course the phone won't bout since there isn't anything to boot into. Just check the sticky thread in the general section to restore the factory firmware using fastboot.
If that's not what you mean, then you probably put the phone in hibernate mode. You should open up the phone and remove and reinsert the battery.
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Related

EVO Constant Reboot

Whenever i flash a new ROM, my phone keeps rebooting. Any ideas?
Thanks
At what point does it reboot?
Sent via the Sprint HTC EVO
Try clearing your cache, data, etc. and yank the battery, wait 30 seconds, put it back in.
What ROMs and kernels have you tried?
Constant reboot happens when exiting recovery mode after flashing a new ROM.
I have tried several ROMS. Only one that works is fresh ROMS.
What method is the best way to ensure cache is deleted?
through your recovery. you should always wipe before you flash
data/cache/dalvik all three options
Yo, I'm having the same problems.
Sent from my EVOo
Constant reboot fixed by factory reset for me.
Sent from my PC36100
Will give the Factory Reset a try.
Thanks
Just tried it. Didn't work.
Clear ALL cache and data from your recovery: Dalvik cache, /data, and regular cache. Also try removing your SD card (worth a shot).
Did Factory Reset
Rebooted
Flashed Damage Control ROM
Rebooting over and over...
im not rooted at all and this same thing is happening to me itll get up to the 4g sign then reboot again.. have to wait until thursday to get my replacement ughhhhhhhh =(
Arie McD said:
Did Factory Reset
Rebooted
Flashed Damage Control ROM
Rebooting over and over...
Click to expand...
Click to collapse
This just happened to me also. Did you also root with the Unrevoked Evo 2 app? That's that I did, and it's the only thing I think might be causing the problem.

Hd2 wont propperly start anymore

I am using android NAND for a pretty long while now and it always worked great. Untill this 1 night i forgot to charge my phone and all battery is drained. So the next morning i turned my phone on with the charger in and things seemed to be ok and i went for coffee.
When i came back the screen was stuck on the startup, the black screen with "HTC" in the centre. So basically its starts up, MAGDLR does it thing and then this "black HTC" screen shows and gets stuck. Tried removing battery a couple of times and still the same.
What is the best solution for me to do now?
If losing your settings and data isn't a problem (I.e you keep a decent sync routine) then I'd do.....
Enter cwm , full backup, wipe cache and dalvik cache
Reboot,,, fixed?
No..
Into cwm, (you already backed up), wipe data factory reset,
Reboot, fixed?
Yes, see *1
No, start from beginning, full wipe, reinstall rom. Once its working, see *1.
*1 once you have the fresh unset up rom running, (and assuming you are using an ext partition) I'd go to cwm, do another full backup, and then try an advanced restore of just the SD ext partition, (then clear dalvik, since some variants of a2sd move dalvik to SD, and u don't want that restored)
If that's successfull, you will have restored all your installed apps.
If you don't have an ext partition, you could try restoring the data partition, but it'll likely restore the error too.
I did these steps as written but somehow it didnt work. Only on the first boot up it worked. So ive put another android rom on it and its working now.
Thanks for the help

My TPT is bootlooping and I can't wipe the Dalvik-Cache

The title says it: My TPT is bootlooping and when I try to wipe the cahce/Dalvik-cache in recovery, it just won't finish.
I'm running ICS (OTA3), but the same thing has happened to me before with Honeycomb.
I don't want to wipe data! Any ideas?
You qualify for a new motherboard if you want it.
But that would not preserve my data
My understanding, and I could be wrong, is that once you start boot looping you need to have made great backups prior to the issue because all you can do is send it in for repair. Hopefully you have such backups if you have root.
Not good news so I hope I'm wrong. Wishing you luck.
I pulled some of the data via adb and then did a factory reset (in recovery). Now it boots again.
I just hope it won't happen again. This was the second time already: Once it started bootlooping in Honeycomb and now ICS. It just came out of nowhere (it booted up fine many times before).
Excellent news. Didn't think you could pull anything with adb while bootlooping. Should have tried that straight away.
I still could enter the recovery mode. Strangely, wiping cahe/dalvik cache alone didn't work (it wouldn't wipe), but wiping everything (which also includes dalvik cache) worked...
I still lost some important data, but at least my tablet works again. I just hope it won't start bootlooping again... but I'll definitely make sure to have an automatic backup solution set up just in case.
Good show. At least you're not bootlooping. Too bad about the data.

[Q] Unmodified Nexus 4- boot loop?

Hi,
I am writing this on behalf of my mother's phone. She has a completely stock Nexus 4 on Net10.
This phone hasn't been touched by a computer. Any development settings are also disabled.
I came home from work and my mom showed me that her phone wouldn't boot. It was boot looping on the "X" boot animation.
So I went ahead and accessed the boot menu and selected recovery and did a cache wipe. No help. I let the phone run out of battery and charged it back up, no help.
I have no clue what happened. The phone was working fine previously. Again, the phone has NOT been unlocked, rooted, etc. Completely stock Nexus 4.
I would like to fix her phone but I would also like to keep her data intact. She even told me it is very important to "keep everything on the phone".
Any assistance would be great.
xrawritsjack said:
Hi,
I am writing this on behalf of my mother's phone. She has a completely stock Nexus 4 on Net10.
This phone hasn't been touched by a computer. Any development settings are also disabled.
I came home from work and my mom showed me that her phone wouldn't boot. It was boot looping on the "X" boot animation.
So I went ahead and accessed the boot menu and selected recovery and did a cache wipe. No help. I let the phone run out of battery and charged it back up, no help.
I have no clue what happened. The phone was working fine previously. Again, the phone has NOT been unlocked, rooted, etc. Completely stock Nexus 4.
I would like to fix her phone but I would also like to keep her data intact. She even told me it is very important to "keep everything on the phone".
Any assistance would be great.
Click to expand...
Click to collapse
Try the following:
- wipe cache and dalvik cache
- Flash a custom kernel
- See if boots
- Make a complete UROOTED backup and save it in the computer
- Flash factory image and relock bootloader
- Restore backup
Tell us if worked
By flashing a custom kernel it is required to unlock the bootloader which will wipe the entire phone.
Your only hope is to use stock recovery to install a signed OTA package (if it's on 4.3 wait for 4.4 ota package).
http://forum.xda-developers.com/showthread.php?t=2145848
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Stuck in recovery mode loop

Hi guys
i have a custom rom, nougat 7.1 installed and its been working fine. last night i installed an aftermarket battery replacement as the other wasnt holding a charge. after turning on by simply pressing the power switch it went straight to twrp recovery and kept doing so. this morning i cleared the cache and data to start again which was a bit of hassle and it then booted fine. however, i just restarted again and its in the same loop.
i have checked for any obvious obstruction under the rear case that could be pressing against the volume keys but there isnt anything.
any ideas?
cheers
Did you try to reflash everything, e.g. also the ROM?
AndDiSa said:
Did you try to reflash everything, e.g. also the ROM?
Click to expand...
Click to collapse
i didnt really want to do that unless i really had to. as i say, before the battery swap it was fine
But if you cleared already cache *and* data all your data is already lost, e.g. it's like a factory reset. So flashing a new ROM will not worse the situation ...
AndDiSa said:
But if you cleared already cache *and* data all your data is already lost, e.g. it's like a factory reset. So flashing a new ROM will not worse the situation ...
Click to expand...
Click to collapse
well, i just went to restart and was going to reinstall but it booted properly. i then did a restart and again it booted fine. i dont get it.

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