Sim; Sim Not Detected; Incorrect Sim Indicated - Sony Xperia TX LT29i Working Instructions

Problem Areas

1.33 SIM

1.33.1 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:
1. If dirty or clogged – clean the holder.
2. Replace board.

1.33.2 Incorrect SIM indicated

Check:
Check whether the phone is locked to a particular operator
and whether the correct operator SIM is being used.
Action:
1. Use a proper operator SIM or test SIM.
2. Replace board.
1266-5087 Rev 1

Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
52(57)