Tests; Service Test Mode - Sony Xperia TX LT29i Working 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:
Step 1: Press the following keypad combination:
*#*#7378423#*#*;
Step 2: Select „Service Tests‟;
Step 3: Select one of the tests and follow the test
instructions as described below.
To stop the test and return to the Service Test 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!
1266-5128 Rev 2

Sony Mobile Communications AB – Company Internal
Test Instructions (mech)
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XPERIA
Sony Ericsson
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Service
Service info
Service Settings
Service Tests
Customization Settings
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