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Trouble Shooting
Troubles
Cause and Solu on
Press the Power Key for over 1 second.
Check if the ba ery is properly connected. Please
Fail to turn on
remove and install it again, retry to turn it on;
Check if ba ery is appropriately charged.
Weak signal. Please try and move to a loca on with
strong signal and try connec ng to the network
again;
Fail to
Please ensure that you are not beyond the network
connect
coverage of service providers;
network
Please ensure you have a valid SIM card. Please
contact your network provider for further
informa on;
Please check if the sound volume is tuned
improperly
In an area with poor receiving condi on, example:
basement, the signal might be weak. Try searching
Poor quality
a loca on with stronger signal recep on and call
of calling
again.
While using the mobile phone in the peak period of
communica on, like commute me, you may be
unable to call because of line conges on.
Dirt on the metal surface of an SIM card. Use clean
cloth to wipe the metal touch point on an SIM card.
SIM Card
The SIM card is not installed.
Error
The SIM card is damaged. Please contact your
network service provider.
Please check if the mobile phone is on and
connected with the network.
Callers cannot
Please check if the Call barring or call divert is
contact you
ac vated.
Please check if the SIM card is valid.
Fail to set
Wrong opera on.
some
The network provider does not support the
func ons
func on, or you have not applied for it.
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