[Q] Phone won't boot - Galaxy S III Q&A, Help & Troubleshooting

Hi guys, I have a stock standard S3 that will not boot past the Samsung splash screen. I have removed the battery but no luck. Any ideas on what I can do to get it to boot? I have not rooted, installed custom ROM, nothing.

Try going into recovery mode and wiping cache then reboot.If that doesn't work go into recovery and factory reset (but you will lose your data if you do that).

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Reboot

Ok so i have rooted and used cwm to make a backup of my stock from which is on Three UK carrier.
Then i put a custom rom on the phone and used it for a while but decided to go back to stock, but when i done the recovery all i get is constant boot loop just after the three logo. It never gets to to lockscreen.
I have done the usual things like wiping all the cache before booting but it wont work.
Can anyone help and if not does anyone know where i can find the stock rom for my phone.
Thanks.
Just do a wipe data/factory reset from the recovery menu.
TeamCooper Developer
Tried all that but no joy.
check with samfirmwire.com

[Q] Stuck on bootscreen

Hey,
First off i hope i have put this on the right sub forum.
I've been stupid (I Think) I've olso looked around on the forum and the [READ THIS] Got a Boot Loop? Don't post a New Thread!
topic.
I'm using my SGS2 for a year now and was using the ressurexionRimix rom for a while.
I've been plaing around with my phone so i got lots of folder that were not used etc, so I wanted to get it back to factory settings, here is when all went down.
Via Settings-Backup and recovery i gave my phone a factory reset (while using the latest ressurexionremix rom, i think this is the misstake i made) When my phone went into the reboot is got stuck on the splash screen, it kept reapeeting the boot animation.
The second mistake i mad was not puting back my back-up but thought well i want it back to it's first state so i'll use ODIN to flash the stock ROM onto it. now, 4 hours later and about 10 trys with diferent versions of the stock roms i'm still stuck on the boot screen.
I've also tryd flashing a cwm so i could get in cwm recovery, this also without any luck
Does anyone have a idea what to do!?
go back to recovery - mounts andstorage and format the following :
cache, system, data, sdcards if you have it in recovery. reboot
you have a bkank screen as your phone has been wiped. reboot into download mode.
Connect odin and flash a stock rom. reboot and your phone should work provided that you have not damaged the flash chip on the motherboard.
Is this in CWM? the problem is i dont have that anymore because i've flashed it toc stok. I now get in the Android system recovery
The option i get there ar:
Reboot system now
apply update from external storage
Wype data/factory reset
Wipe cache parition
apply update from cash
test redbend fola[FS]
Will try this, thank..will let you know if it worked
Wiped data/factory reset and cache after this i ebooted my phone and i got the message installing application, now i'm in the setup menu. Looks like it is working.
Did'nt realice there was a recovery besides CWM Thank yoy so much Cosmic Blue!!! You saved my life!!

[Q] Help handset bricked trying to install custom ROM

Hi I have attempted to install experience rom on my xperia U. Firstly i successfully unlocked the boot loader. I then rooted it and installed CWM recovery all still good. I the transferred the ROM image to the phone went into recovery did a wipe data factory reset and wipe cash partition. Also wipe dalvick cache. Selected the ROM and install started, it hung, only way out was battery pull, I went back into recovery same thing happened, finally tried once more and it hung at about 75%. Now phone goes in a loop sony logo to black screen and I cant get into recovery mode. I have searched to see if I can find a way out but not found a way around it yet. I would be very grateful for any help with this.
xs1m0nx said:
Hi I have attempted to install experience rom on my xperia U. Firstly i successfully unlocked the boot loader. I then rooted it and installed CWM recovery all still good. I the transferred the ROM image to the phone went into recovery did a wipe data factory reset and wipe cash partition. Also wipe dalvick cache. Selected the ROM and install started, it hung, only way out was battery pull, I went back into recovery same thing happened, finally tried once more and it hung at about 75%. Now phone goes in a loop sony logo to black screen and I cant get into recovery mode. I have searched to see if I can find a way out but not found a way around it yet. I would be very grateful for any help with this.
Click to expand...
Click to collapse
flash stock ICS Rom ftf with flashtool
Thanks for help
Thanks I managed to flash stock Gingerbread in the end.
In case anyone else has a similar problem here is a handy guide I found. (youtube.com/watch?v=hPPWRXcsz7g)
Where it says connect phone I found you need to connect it in fast boot (hold volume up button as you connect it) when the software is ready to flash un-plug phone then connect in flash mode (hold volume down button as you connect).
xs1m0nx said:
Hi I have attempted to install experience rom on my xperia U. Firstly i successfully unlocked the boot loader. I then rooted it and installed CWM recovery all still good. I the transferred the ROM image to the phone went into recovery did a wipe data factory reset and wipe cash partition. Also wipe dalvick cache. Selected the ROM and install started, it hung, only way out was battery pull, I went back into recovery same thing happened, finally tried once more and it hung at about 75%. Now phone goes in a loop sony logo to black screen and I cant get into recovery mode. I have searched to see if I can find a way out but not found a way around it yet. I would be very grateful for any help with this.
Click to expand...
Click to collapse
Flash stock firmware.
Install fastboot drivers.
Flash SlidingXU in cmd
Try out Zperience or TheBrainsRom following factory data reset, wiping cache and dalvik cache.

My Atrix4G is stuck on boot loop!

Hey guys,
So, recently I have tried to flash the BeanStalk ROM on my Atrix 4g ( rooted and unlocked properly), but I didn't want to lose my apps and data, so I chose to format System and Cache only, not the full data wipe. So, I flashed it properly using the Aroma installer that came with it, but when I try to boot it, it gets stuck on the "Upgrading Android, starting apps" screen. I remove the battery and it gets stuck on the beanstalk boot animation. What should I do?

[Q] Bootloop, nothing works

My phone, a wolfgang at-AS45q2, dropped out of my pocket and won't boot. I've tried wiping cache and rstore to factory settings, but it didn't works. What can I do? my phone is rooted, but no costum recovery or rom

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