I downloaded the newest OS of 7130c from AT&T, and it's 4.2 version,and I sured that this downloading was corrected .. I try to upgrade with all advice of you .. but my phone was not upgraded and a error was appeared ..This error " This system software in not designed for the connected device [A:0x00000043]"
How to fix this ..and Could 7130c upgrade to OS 4.2 ?
