Stuck at boot after system update. now error - Android Q&A, Help & Troubleshooting

I have a asus fonepad 7 dual sim version, from factory android 5.0 lolipop i rooted it by installing drivers manually couple weeks ago went fine, yesterday an asus system update started to install restarted an stayed at the asus boot screen for couple of hours an nothing so turned it off restarted it, same thing wont go further than boot logo, i thought ok then i will go into fastboot recovery launcher and clear the cache an rebooted still nothing, factory reset an the same, went into CWM recovery again an no recovery found, im now lost of what to do. i have no backup coz i thought its only rooted so worst case would be it would unroot it if it updated ive read an i would just have to manually re do it. plus ive not messed with custom roms or kernal either. so any help please
Ps. an if it needs reflashing i dont really understand as what about my IMEI number an all the other importent information etc that makes it run as a phone as it was my phone aswell till this happened.

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HTC One bootloop.....PC will not recognise

Hello all, first post and I really hope you can help. I have an unlocked HTC One, runnnig 4.2.1
Today I attempted to install Android Revolution 6.0 ROM
I downloaded the ROM, made a back up ON THE PHONE of my data, factory restored and then bootloaded and flashed the ROM
I went through the start-up ie choosing which Google options I required etc nd the phone reset to install but now is stuck in a loop. When I attach the phone to my PC it is not recognised. No matter what option I choose in bootmanager ie fastboot, recovery, factory reset etc it just gets stuck in boot loop and I cannot do ANYTHING. Major problems as I need my phone for work. Can anyone please please help I have searched and searched but really don't know what to do?

[Q] HUAWEI u8850 stuck on boot loop

hi guys
really could do with some help
i had flashed my u8850 when i first got my phone and played around with the custom roms which were not fully usable at the time. As my wife wanted the phone I flashed it to stock rom .. proper stock without root or CWM... with SUT l3 tool
now she gave it back to me as she upgraded, and i went to do a factory reset to clear out the contacts etc.. and start afresh.
it went and got stuck at the huawei symbol and hasn't gone off since.
since researching this, i found out that its a boot loop and anyone who has flashed a custom rom can never do a factory reset from the settings menu, but must do it in CWM instead.
so, Im stuck in a boot loop, with a original rom with no CWM and although the computer recognizes the phone as a huawei and loads the ADB drivers etc... Ive got no way to flash a rom with CWM to get me to cyanogen at all.. SUT doesn't recognize the phone at all..
so ive got the roms i need and even tried with android AIO flasher ...
clearly i need some help ...
can you assist?.. thanks..
The same problem
I got the same problem... I "played" with the ROM Toolbox app (changed boot animation, changed status bar icons, changed the SYSTEM UI), and now I got the same problem... Can anyone help us plz.?

Bricked s3 :/

Earlier today, I downgraded the firmware from my straighttalk galaxy s3 from stock H2 to H1 and then proceeded to root it, which went fine. After this, I installed CWM recovery and cyanogenmod, once I booted into cyanogenmod, I ran into a bug/glitch which didn't allow my rom to use my mobile data, so after that, I installed android revolution hd. This is where I ran into my problem, I went into CWM and factory reset my phone and wiped all caches, after this I proceeded to install android revolution HD, only to find out that it only shows a black screen, I also cannot use adb, but my computer still recognizes my phone as connected.
PS:
If I leave the battery out and plug in the USB, I get a brief solid red light
The phone WILL NOT go into recovery or download
No boot screen or error
Any and all help you guys can offer is well appreciated as I was not expecting this to happen
Hello imjimbob,
I think your LCD is broken. :crying:
Can you tell me a bit more please, and is there any way to fix it?
How would my phone screen break from flashing a ROM?

Reinstall system

Hi, i rooted my phone a few days ago and this morning when I turn of my phone it stuck on the android loading screen, my friend told me he can fix it and he just wipe the system by error, at least that is what he told me.
I tried to flash the firmware with flashtool but it didn't work and I don't know what to do...
EDIT: I've solve it, just flashing the wrong way
I have a similar problem, how did you fix it?

Alcatel Onetouch Fierce XL stuck in bootloop

Hello there.
Ive had my Alcatel (android version 5.1.1) phone for about 3 months now and a while ago I wanted to root my phone so that I could install some Xposed modules, and I ended up using Kingroot. The rooting process failed but I kept it installed so nothing much occurred afterwards. A few days later I decided to install Kingoroot to see if maybe that could do the job of rooting my phone and it also failed. I was tired so I powered off my phone and went to sleep. The next morning, I powered on my phone and to my surprise it was stuck in a bootloop. I attempted to wipe the cache partition and factory reset and then reboot my phone, but it didnt work. Please not that I wasnt able to unlock the bootloader, so I cant flahs any ROMS. No system file is missing to my knowledge because it always stays stuck on the metro pcs screen with no error message. I appreciate all the help I receive and thank everyone who responds.
Thank you.
I have exactly the same problem with the exact same phone and the exact same carrier
were you able to fix it? if so, could you please tell me how.

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