White screen

Nepse123

New Member
Mar 19, 2012
6
1
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#1
my iPhone 3gs was fine until i updated to ios 5.1 preserving baseband 6.15.00 and unlocking ..it worked for few hours and then as it went to sleep ..it never woke up..it was tethered jailbreak so i run redsnow and trying booting but no luck, nothing pops..just a white bright screen and thats it..!
either stays in DFU mode or white screen..
can anybodu help it.?
thanks