User's Manual

85
FAQs and Troubleshooting Solution
Please carry on the following straightforward check prior to contact with a
professional post-sale service in order to save your time and unnecessary
expenses.
The phone cannot be started up
 Check whether the power key is pressed and held continuously.
 Check whether the battery is contacted well or not. Please firstly
remove the battery and refit it, then re-power on the device.
 Check whether the battery is run out or not. Please recharge it.
There is a piece of info displayed upon powering on the phone
 Input the phone lock password: select a function of automatically
locking the phone. The phone lock password must be input before
using it.
 Input PIN: select a function of inputting PIN upon powering on the
device each time. The PIN must be input; (the PIN of USIM card
should be input when firstly used the phone).
 Input PUK: input PIN wrongly in continually 3 times. The
operator-supplied PUK must be input.
(U)SIM Card is Error
 (U)SIM card metal surface is contaminated. Wipe the (U)SIM card
metal contacts with a piece of clean cloth.
 (U)SIM card is not installed. Install the (U)SIM card correctly
according to User’s Manual.
 (U)SIM card is damaged. Pease contact with your network service
supplier.
The network cannot be accessed to
 Weak signal. Please move to a location of strong signal for a trial.
 Beyond the coverage of the network service supplier.
 (U)SIM card is invalid. Please contact with your network service
supplier.