[Q] Stuck on Boot screen whit SG3 - Galaxy S III Q&A, Help & Troubleshooting

Hello, my samsung galaxy s3 (GT-I9300) is stuck on the boot screen. i was rooting it and everything worked perfect. i downloaded a app named VZW GS3 EZ-Unlock (Bootloader). i rebooted my phone and now im stuck at boot screen i have tryed to reset factory thoght CWM but nothing happends
Please help!

Try to flash firmware via Odin.

Got it to work thanks =D

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triangle away failed..? no boot (need fast help :/ )

got problems with triangle away, it recognized my S3 correctly but after reboot its stuck on the "samsung galaxy sIII" screen.
i can just get into download mode...
how can i revert this?
hopefully some1 could help me!
it was rooted before with omega rom 5.0
ok managed it somehow in odin to get it booted again.
but why did my phone acting up and was stuck on boot?
If it gets stuck on the logo, try to do this:
Boot to recovery mode
Factory Reset
Wipe Cache
I know that it works 100% on Galaxy S2, maybe it will work also on S3!
Notor1ouS- said:
ok managed it somehow in odin to get it booted again.
but why did my phone acting up and was stuck on boot?
Click to expand...
Click to collapse
It definitely works on Galaxy S III, I did 3 times yesterday with absolutely no problems.....

Samsung i9100 stuck on boot screen with yellow triangle

I tried to upgrade my phone using odin, i first tried to root by installing a kernal.
after installing the kernal to enable rooting ...it is now stuck on boot screen with samsung galaxy sII logo.
i cant even get into recovery mode.
i can get into download mode.
I dont know the exact model of my phone as i did not write it down.
The phone is factory simfree, from carphone warehouse.
i tried downloading different stock roms but everytime i try to update using odin..it always fails.
NOT TO WORRY....I FIXED IT BY DOWNLOADING THIS FIRMWARE http://androidfirmwares.net/PhoneFirmware/Download/67
GT-I9100_CPW_I9100XWLP7_I9100XXLPS_I9100CPWLP5.7z
...cant delete post...dont know how to
help please!!

Help! Cant boot, Galaxy Tab 2 keeps shutting off at Samsung logo!

My Galaxy Tab SGH-I497 wont boot all the way on. It started when I flashed a rooted ROM. Now I can only get into download and recovery mode. Ive tried to factory reset and same nothing. I flashed a kernel and stock ROM with Odin, both successful but still shuts off at Samsung logo! Also I dont know how to get into CWM or how it works! Help!

[Q] HELP! Blue screen on Samsung galaxy ace

Hello.
I have a problem. My device is Samsung galaxy ace S5830. I falshed it to "[ROM] Kitkat For All [CM11-2014-03-30][Omni-2014-03-21][AOKP-2014-03-19] Updated"http://forum.xda-developers.com/showthread.php?t=2659269 , and it worked. After that I wanted to update my recovery clockwork mod from 5.0.2.6 to 6.0.4.6http://www.mediafire.com/download/s7jow6d8102vg6g/6.0.4.6-cooper_fix.zip. After taht I rebooted in recovery and there was blue screen and nothing would work. After that i started it normally but it won't start insted of loading rom there was allso blue screen and nothing worked. Only what I can boot is Download mode. But Odin won't recognize my phone so I can't flash it back to stock. Kies won't recognise it either.
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Stuck on logo after flashing stock firmware SM-G925F

My Phone is unlocked one
version is SM-G925F
after unlocked,it stuck at the Galaxy logo.
before this unlocked it works very nicely and show updates also.however this happend.
so i tried few things.
1)i tried to flash 2 different roms using Odin. But it doesn't work.i'm sure those roms are OK and Odin show success message also.
but still phone stuck at the Galaxy logo.
2)i tried wipe cache,reset but still stuck at the Galaxy logo.
3)i tried to flash stock recovery.same result.
4)Then i tried to flash CWM/TWRP RECOVERY.same result.
5)then i found S6 UniKernel.it worked.but now phone is rooted.in apps it show super SU app.
but problem is this device is still new.so i don't want it to be rooted.
6)Again i flashed stock ROM again.but it flashed successfully .Again Odin shows success message.but phone stuck at the Galaxy logo again.
7)then i flashed UniKernal again.Now again this phone is working.but it is rooted.
I need to bring back my phone as non rooted.but i don't know what to do.i did everything.How I suppose to do this? . Any help? Can I do something about it?

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