Sony Xperia M Manual page 24

1.19 External Memory ................................................................................ 31
1.19.1 Memory Card not detected ....................................................................... 31
1.20 Security ............................................................................................... 32
1.20.1 Security fails .............................................................................................. 32
1.21 FM Radio ............................................................................................. 33
1.21.1 No/Poor FM Radio reception .................................................................... 33
1.22 Verify Certificates ............................................................................... 34
1.22.1 Verify certificates fails............................................................................... 34
1.23 Network & Signal ................................................................................ 35
1.23.1 No/Poor signal ........................................................................................... 35
1.24 SIM ...................................................................................................... 37
1.24.1 SIM not detected ........................................................................................ 37
1.24.2 Incorrect SIM indicated ............................................................................. 38
1.25 Charging ............................................................................................. 39
1.25.1 Battery will not charge .............................................................................. 39
1.26 HandsFree by Wire ............................................................................. 40
1.26.1 Connection to Portable HandsFree fails .................................................. 40
1.27 Data Communication ......................................................................... 41
1.27.1 Data transfer via System Connector fails ................................................ 41
1.28 Flash LED Defects .............................................................................. 42
1.28.1 Flash LED defects ..................................................................................... 42
1.29 NFC ..................................................................................................... 44
1.29.1 NFC malfunctions ...................................................................................... 44
2 Revision History ........................................................................... 45
1277-1356 Rev 2
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Troubleshooting Guide (mech) G (
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