I had tried restoring my Iphone 3G to 4.2.1 using itunes and jailbreak,i had used redsn0w(6.15 baseband) because my baseband was not able to unlock After the process,i had installed "ultrasn0w" to unlock! but After recboot it doesn't seemed to catch any carrier and then i tried to restore again using the same firmware and then the problem occurred my iphone started to give me an error 1015,by now I have used redsn0w(6.15 baseband) but it wasn’t working,then i tried tethered it was the only option on redsn0w and unfortunately it wasn't working as well.later i tried Restoring with the 4.2.1 in iTunes and lastly i tried iREB-4.0.x-4.1-RC2 with custom firmware but haven't got any success yet.any help regarding this problem will be highly appreciated.
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