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72 Troubleshooting and FAQs
Problem Possible Causes Possible Solution
Shortened
standby time
The standby time is related to
your service provider system
configuration. The same
phone used with different
service providers’ systems will
not provide exactly the same
length of standby time.
If you are located in an area
where signaling is weak,
temporarily switch off the
phone.
The battery is depleted.
In high-temperature
environments, battery life will
be shortened.
Use a new battery.
If you are not able to connect
to the network, the phone
will continue to send out
signals as it attempts to
locate a base station. Doing
so consumes battery power
and will consequently shorten
standby time.
Change your location to
one where the network is
accessible, or temporarily
turn off your phone.
Unable to
connect to
the network
(U)SIM card invalid.
Contact your service provider.
You are not within the
network’s service area.
Check the service area with
your service provider.
Poor signal.
Move to an open space, or if
you are inside a building, move
closer to a window.