User's Manual

46
7. Appendix 1
Malfunction Diagnosis
Problem/s Reason/s
Cannot Turn
On
Check the battery
SIM card
SIM card is dirty；
Re-install the SIM card；
SIM card is damaged，change the SIM card
(SIM2 same as above)
Reception
problem
Check the signal on the display, it has 5 bars,
5 is the best and 2 is weakest.
(SIM2 same as above)
Cannot call out
You may hide the mobile number and your
service provider does not support this
function；
Maybe due to interference；
Maybe incoming call barring is activated；
Maybe line 2 is activated but service provider
does not support
Cannot
recharge the
battery
Maybe the battery is over discharged, need to
recharge again；
Battery performance is in worst condition