G700-U10 Smartphone
Maintenance Manual
12 Functional Tests
Issue 1.0 (2013-07-22)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
94
12.2 MMI Test
On the phone dialer, enter
*#*#2846579#*#*
to enter MMI test mode. Press the volume down
key to start a test. Touch the menu key on the keypad to skip the current test and go to the
next. Touch the return key to return to the previous test.
Table 12-1
MMI test
No
.
Item
Ste
p
Test
Content
Description
1
microSD
card test
1
microSD
card
If a microSD card is inserted and works properly,
the test item automatically passes, and the MMI
test automatically proceeds. If the microSD card is
faulty, the test is indicated as failed, and you need
to press the volume down key to proceed.
2
Key test
2
Keys
Press or touch all keys on the phone. When a key is
pressed or touched, the color of the corresponding
area on the screen should change. After all keys are
tested, press the volume down key to proceed.
3
LCD test
3
White
screen
Black
screen
Color
screen
Press the volume down key. A white screen is
displayed.
Press the volume down key. A black screen is
displayed.
Press the volume down key. A color screen is
displayed, showing red, green, and blue strips.
4
LCD
backlight
test
4
LCD
backlight
If the LCD backlight repeatedly turns on and off,
the LCD backlight is normal. Press the volume
down key to proceed.
5
Keypad
backlight
test
5
Keypad
LEDs
If the keypad backlight repeatedly turns on and off,
the test item passes. Press the volume down key to
proceed.
6
Touchscr
een test
6
Touchscree
n
Slide your figure along the touchscreen edges in a
circle. The route that your finger passes should turn
red.
Press the volume down key to proceed.
7
Proximity
sensor
test
7
Proximity
sensor
Place a board about 4 mm away from the proximity
sensor's hole on the touchscreen.
If the icon changes from a human portrait to a call
icon, the test item passes. Press the volume down
key to proceed.
8
Light
sensor
test
8
Light
sensor
Check whether the phone can detect environmental
light changes. When the test screen is displayed,
orient the phone front side to the light and block
the light sensor using your hand, the phone
automatically detects the light changes and
determines whether the test item passes. If the test
item passes, the phone automatically proceeds to
the next test item. If the phone fails to detect the