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Keyboard
issue
No action
1、Check whether there is enveloped
keyboard, remove the test again.
2、Check whether the keys is stuck, click
each key.
Cannot
charge
charging no
response
1、Make sure the charging accessory
models are correct, and if there are
problems, please replace the faulty parts.
2、Check the connection between the phone
and the charger.
Can not
power on
Can not power
on
1、check battery is inserted properly
2、 charge battery
3、Check the battery contacts are dirty, wipe
with alcohol
4、Battery life is more than eight months of
use, if so we recommend to update battery
5、Check the battery whether swelling
6、make sure the power button location is
correct
Display
issue
Phone has a
power-saving
mode, it will
quickly enter the
dark screen,
black
1、Please check the phone is in power-
saving mode.
2、Some mobile phone press the end power
key will enter the power saving mode
Backlight
issue
Backlight does
not work
1、check to close the Backlight function,
proposes to restore the factory settings and
try again