Tests; Service Test Mode - Sony XPERIA ST25i Test Instructions

2

Tests

2.1

Service Test Mode

Note: Make sure the phone is in call setup when
pressing these touching keypads to get into the Service
menu!
Start up the phone and enter the service menus:
• Press the following keypad combination: *#*#7378423#*#*
• Select 'Service tests'
• Select one of the tests and follow the test instructions as
described below
• To stop the test and return to the 'Service tests' menu,
press the Back key
For more information, refer to
1220-1333: Generic Repair Manual - mechanical
The following pictures will show a simplified basic phone for a general visualization of the
service tests!
1263-4090 Rev 2
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