U9500 Maintenance Guide
10 Functional Test
Issue 1.2 (2012-6-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
95
10.2 MMI Test
Enter
*#*#2846579#*#*
, and select
MMI Test_II
. The LCD displays
Starting MMI test
.
Press the volume down key to start the MMI test. If a test item fails, touch the menu key to
end the current test, press the volume down key to enter the next test, and press the back key
to return to the previous test. If one test finishes, press the volume down key to proceed to the
next test. Table 10-1 lists the test items and methods.
Table 10-1
MMI test items and methods
No.
Item
Test Method and Description
1
Board test
If the board test items are missed, error massages will prompt during the MMI test.
2
microSD card
test
If the phone has a microSD card inserted and the microSD card functions properly,
the system proceeds to the next test. Otherwise, the system displays
No microSD
card
.
3
Battery test
Tests the battery voltage. If the battery power is less than 3%, the voltage is larger
than 4.2 V, or the battery temperature is not within –200°F to +700°F, the LCD
displays a message indicating that the battery test fails.
4
Keypad test
The LCD displays the analog keypad. When a key is pressed, this key turns purple;
when it is released, it recovers to the original color.
5
LCD test
The LCD displays a white screen.
The LCD displays a black screen.
The LCD displays RGB strips.
The lightness of the LCD backlight is enhanced gradually and then cyclically.
The tri-color LED display RGB colors cyclically.
6
Keypad LED
test
The keypad LED is lighted cyclically.
7
Rear camera
test
The LCD displays the picture once it is taken by the camera. Check whether the
camera is of high performance by observing the picture quality and response speed.
Press the volume up and volume down keys concurrently to test the camera
flashlight, and if the flashlight does flash, the flashlight is faulty.
8
Front camera
test
The LCD displays the picture once it is taken by the camera. Check whether the
camera is of high performance by observing the picture quality and response speed.
9
TP test
Touch the edge area of the TP. If the area turns red, the test is successful.
10
Proximity
sensor test
Place the baffle plate above the receiver and 4 mm above the light penetration hole,
and if a phone icon appears beside the head icon and then remove the baffle plate. If
the screen changes to the previous one, the test is successful. If the phone icon
remains on the screen, the test fails.
11
Ambient light
sensor test
Check whether the system records the data of ambient light and whether the data
changes as the ambient light changes.
12
Vibrator test
The vibrator vibrates periodically.
