Справочник Пользователя для Inspire Future Co. Limited BGCXB100G
-29-
The SIM
card is not in
position.
Check the SIM card
The
metal face of
the SIM card
the SIM card
is polluted.
Clean the SIM card with a clean cloth
Poor
received signal
quality
Signals
are
obstructed.
For instance,
radio waves
cannot be
effectively
transmitted
nearby a high
building or in
building or in
a basement.
Move to a place where signals can be effectively
transmitted