Sim; Sim Not Detected; Incorrect Uim Or Sim Indicated - Sony Xperia Z1 Troubleshooting Manual

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 Tray.
Action:
1. If the SIM Tray is damaged – Replace it.
Check:
Inspect the SIM card holder on Main PBA.
Action:
1. If dirty or clogged – clean the holder.
2. Replace Main PBA.

1.33.2 Incorrect UIM or SIM indicated

Check:
Check whether the phone is locked to a particular operator
and whether the correct operator UIM or SIM is being used.
Action:
1. Use a proper operator UIM/SIM or test UIM/SIM.
2. Replace Main PBA.
1277-9814 Rev 2
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Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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