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FAQ
Poor quality
of calling
Standby
duration
shortened
SIM Card
Error
Cause and Solution
Please check if the sound volume is tuned
improperly
In an area with poor receiving condition,
example: basement, the signal might be
weak. Try searching a location with
stronger signal reception and call again.
While using the mobile phone in the peak
period of communication, like commute
time, you may be unable to call because of
line congestion.
The standby duration is relative to the
system setting of network. While the
mobile phone is in an area with poor
signal strength and can not receive the
signal, the handset will continuously
search for a base station. This will
significantly reduce battery charge. It is
recommended that you turn off your
mobile in area with no signal reception to
save battery.
Need replacing the battery. Please change
a new battery.
Dirt on the metal surface of an SIM card.
Use clean cloth to wipe the metal touch
point on an SIM card.
The SIM card is not installed.
The SIM card is damaged. Please contact
your network service provider.
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