Trouble Shooting Guide Repair Instruction Mechanical/
1235-7834
Rev 2
Sony Ericsson Mobile Communications AB
– Company Internal 18(25)
Problem Areas
1.12 SIM
1.12.1 SIM not detected
Check:
Inspect the SIM holder
Action:
1. If dirty or oxidized
– clean the holder
2. Send to higher level of repair
1.12.2 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. Send to higher level of repair