User's Manual

Troubleshooting for Simple Troubles
12Troubleshooting for Simple Troubles
In the course of using mobile phone, if abnormal condition comes out, please refer to following
instruction to rule out malfunctions. If it can’t work, please contact designated maintenance center.
Mobile phone can’t be turned on
Possible causes of trouble Troubleshooting
The time pressing end key is too short.
Please keep pressing hanging mobile phone for
more than three seconds.
Electricity of battery is exhausted. Please charge the battery.
Battery is misinstalled. Please install battery correctly.
Mobile phone can’t be turned on because
of illegal usage.
Please input correct anti-robbery password.
Mobile phone turns off automatically
Possible causes of trouble Troubleshooting
If the function of turning off mobile
phone at set time is on
If you don’t need the function of tu
rning off
mobile phone at set time, please cancel it.
The electricity of battery isn’t sufficient. Please charge the battery.
The battery is loose.
Please install battery correctly according to
installation method of battery on the instruction
book.
Mobile phone is turned off automatically
because of illegal usage.
Please input correct anti-robbery password.
PIN/PUK code lock
Possible causes of trouble Troubleshooting
Wrong PIN number (Personal
Identification Number) / PUK number
(Personal Unlock Key number) is
imputed.
Please input correct password.