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G700-U10 Smartphone
Maintenance Manual
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
.
1
2
3
4
5
6
7
8
Issue 1.0 (2013-07-22)
Item
Ste
Test
p
Content
microSD
1
microSD
card test
card
Key test
2
Keys
LCD test
3
White
screen
Black
screen
Color
screen
LCD
LCD
4
backlight
backlight
test
Keypad
Keypad
5
backlight
LEDs
test
Touchscr
6
Touchscree
een test
n
Proximity
7
Proximity
sensor
sensor
test
Light
8
Light
sensor
sensor
test
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description
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.
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.
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.
If the LCD backlight repeatedly turns on and off,
the LCD backlight is normal. Press the volume
down key to proceed.
If the keypad backlight repeatedly turns on and off,
the test item passes. Press the volume down key to
proceed.
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.
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.
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
12 Functional Tests
94
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