Problem Areas
1.24 SIM
1.24.1 SIM not detected
Check:
Inspect the external port of the SIM card holder and check if
a SIM card can be properly inserted.
Action:
If dirty or clogged – clean the external port.
Check:
Inspect the SIM card holder on the PBA.
Action:
If dirty or clogged – clean the holder.
Check:
Inspect the BtB connector of the FPC SIM SD to the PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean it.
3. If the BtB connector or the SIM card holder of the FPC
SIM SD is damaged – replace the FPC SIM SD.
4. Replace board.
1266-5137 Rev 2
Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
37(43)