transmitted efficiently;
When you use the phone in the rush hour of
calls, line congestion will disable calls.
Shorter standby
time
The standby time is associated with the
network system setup. In this case, you are
possibly in place with poor communication.
When the signal is not available, the phone
will continue to search for the base station.
This will consume a lot of battery power,
making standby time much shorter. To
continue to use, move to a place with strong
signal, or shut down the phone temporarily
Replace the battery with a new battery;
SIM card error
If the metal surface of the SIM card is dirty,
clean the metal contact with a clean piece of
cloth;
;
SIM card has not been properly installed;
If SIM card is damaged, contact your network
service provider.
Unable to make
calls
Check whether the Dial key is depressed after
the number is inputted;
Check whether your calls have been barred
due to insufficient mobile phone fee;
Check whether the SIM card is effective;
Check whether the call barring function has
been set;
Check whether the fixed dialing function has
been set;
