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14.Frequently Asked Questions and Troubleshooting
Frequently Asked
Questions
Cause and Solution
Unable to turn on phone
Press the power on key for over 1 second.
Check if the battery is properly connected. Please remove and install it
again, retry to turn on
;
Check if battery is appropriately charged
Unable to connect to a
network
Weak signal. Please Try and move to a location with strong signal and
try connecting to the network again
;
Please ensure that you are not beyond the network coverage of
service providers
;
Please ensure you have a valid SIM card. Please contact your network
provider for further information
;
Display information while
turning on
Check if the SIM card (insert the SIM card) is installed correctly
Handset lock password. If the handset lock is activated, you have to
input handset password before using.
Input PIN. Inputting PIN while turning on each time is activated, you
have to input the PIN code.
Input PUK code: Having input wrong PIN code for 3 times straight will
lock the SIM card. You need to input the PUK code provided by your
network provider.
Summary of Contents for 3G 402
Page 1: ...1 User Manual 3G 402 ...
Page 6: ...6 3 Your mobile ...
Page 40: ...40 IMEI No Dealers Stamp Date of purchase Model No ...