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Old September 1st, 2012, 12:44 AM   #1 (permalink)
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Default s3 wont turn on

i successfully rooted my phone but when i tried to install a jelly bean rom it wont turn on or do anything i think i installed a bad rom help plz

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Old September 12th, 2012, 09:17 PM   #2 (permalink)
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Did you fix your S3?
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Old September 19th, 2012, 10:32 PM   #3 (permalink)
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What do you mean wont turn on, do you mean it doesn't boot up all the way but gets power? Just boot into recovery and clear the cache and factory reset.
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Old September 29th, 2012, 09:09 AM   #4 (permalink)
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If it doesn't power on at all, as in no download mode, no recovery mode, this just happened to me with my old S2. Take your phone to T-Mobile, tell them it won't turn on. Just say, it was working, then it wasn't. Obviously, don't tell them you've modded it. Before you go, though, try to charge your phone overnight. If still nothing, happens, proceed to T-Mobile. I did it on Thursday with my S2 and got my replacement phone yesterday, Friday. Good luck.
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Old October 8th, 2012, 04:00 PM   #5 (permalink)
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You flashed a ROM that included a radio for a different carriers S3. You can only fix the phone by flashing the correct radio and ROM via a JTAG cable.
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