When you cannot receive signals, your
mobile phone will continue to send to find
a basis. A lot of battery power is used, so
as to limit idle time.
Please move to an area where signal
is strong or temporarily turn off your
phone.
Check battery volume or charge
battery.
SIM card is not inserted properly.
Make sure SIM card is inserted
properly.
Dirt on metal side of SIM card.
Wipe metal point of SIM card with a
clean cloth.
Cannot connect to
network
Request service area to operator.
Please move to an area where signal
is stronger and try again.
Enter the wrong PIN code three times.
Charge in area where the temperature is
lower than 0℃ or higher than 40℃.
Change charging environment.