Service Tests; Keyboard & Switch; Touch Screen; Display - Sony XPERIA ST25i Test Instructions

Tests
2.2

Service Tests

2.2.1 Keyboard & Switch
Text Note: The Home Key and On/Off key are not part of
the keyboard test, which are in the Manual tests.
To return to the Service Test Menu, wait for 8 seconds.
Press all keys on the phone:
-Back key
-Menu key
-Auto Focus Key(half pressed)/Camera key(fully pressed)
-Volume up key
-Volume down key

2.2.2 Touch Screen

Move a finger across the touch screen, a line will be drawn
as it touches.
Press the Back key to return to the Service Test Menu.

2.2.3 Display

Minor variations in the display's brightness and color
may occur between phones.
There may be tiny bright dots on the display, called
defective pixels and which occur when individual dots
have malfunctioned and cannot be adjusted.
Two defective pixels are considered to be acceptable.
Touch display using finger, the display will show six test
patterns of black, red, green, blue, White, Rainbow colors on
full screen.
Make sure that there are no missing segments and that the
colors and contrast are OK.
Press the Back key to return to the Service Test Menu.
1263-4090 Rev 2
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