Zte Imperial MAX User Manual page 147

Problem Possible causes
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.
Cannot turn Battery power has been
your phone on depleted.
4G LTE 4G LTE nano-SIM card
nano-SIM card malfunction or damage.
error
4G LTE nano-SIM card
inserted improperly.
Debris on the 4G LTE card
contacts.
Unable to 4G LTE card invalid.
connect to the
network
You are not within the
network's service area.
Poor signal.
Phone crashes, Some third-party software is
reboots, freeze, not compatible with your
or cannot be phone.
powered on
147
Possible solution
Change your location to one
where the network is
accessible, or temporarily
turn off your phone.
Recharge the phone's
battery.
Take the 4G LTE 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.
Contact your service
provider.
Check the service area with
your service provider.
Move to an open space, or if
you are inside a building,
move closer to a window.
Reset the phone to factory
status.