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Problem
Battery not
charging
Shortened
standby time
Cannot turn your
phone on
nano-SIM card
error
Possible causes
The battery or battery charger is
damaged.
The phone's temperature is below
32°F or higher than 104°F.
Poor contact between the battery
and charger.
The display brightness is high or Wi-Fi,
Bluetooth, GPS, etc. are not disabled
when they are not in use.
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.
Battery power has been depleted.
The nano-SIM card has
malfunctioned or is damaged.
The nano-SIM card is inserted
improperly.
There is debris on the nano-SIM card
contacts.
Possible solution
Contact the dealer.
Adjust the environment to avoid
extremes of temperature.
Check all connectors to make
sure all connections have been
properly made.
Adjust the brightness of the screen
as appropriate.
Exit background-running
applications if they are not being
used for a long time.
Disable Bluetooth, Wi-Fi, or GPS
when not in use.
Change your location to one
where the network is accessible, or
temporarily turn off your phone.
Recharge the phone's battery.
Take the nano-SIM card to your
service provider for testing.
Insert the nano-SIM card properly.
Use a soft, dry cloth to clean the
nano-SIM card contacts.
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