Service Manual
40
Description:
[1] Use a normal front case to check whether the connection between the earpiece board and the
earpiece connector is normal.
[2] Check whether the FPC is assembled and connected properly.
[3] Check whether the connector is properly connected and soldered.
[4] Check whether the 70-pin connector is properly connected and soldered.
[5] Make sure the programming software matches the firmware.
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