This is the iPhone communication or comms board, if you have a corrupted baseband or have in any way damaged your iPhone's comms board this spare part will allow you to restore the phone functionality to your unit.
* Quad-band (850, 900, 1800, 1900MHz).
* Bootloader version 4.6 Suitable for the 4GB iPhone, 8GB iPhone and the 16GB iPhone.
* Quad-band (850, 900, 1800, 1900MHz).
* Bootloader version 4.6 Suitable for the 4GB iPhone, 8GB iPhone and the 16GB iPhone.
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