Fifth generation of iPhone. Repair of this device is straightforward, and requires screwdrivers, prying tools, and patience. GSM/CDMA / 16, 32, or 64 GB / Black or White.

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an unknown error occurred(-1)

an unknown error occurred(-1)change the battery did not succeed

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Check to see if you have any security software that is interfering with itunes.

If you turned off all of your security software then it is a hardware issue somewhere in the phone

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