Sony Xperia TX LT29i Working Instructions page 142

2.3.5 Charging via USB (Charger or Computer) .............................................. 22
2.4 Battery Test ........................................................................................ 23
2.5 Network Test....................................................................................... 24
2.5.1 On-the-air call to mobile (no UMTS network available) .......................... 24
2.5.2 On-the-air call to mobile (UMTS network available) ............................... 24
3 Revision History ........................................................................... 25
For general information about test procedures, refer to
1220-1333: Generic Repair Manual - mechanical
1266-5128 Rev 2
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Sony Mobile Communications AB - Company Internal
Test Instructions (mech)
3(25)