Zte Imperial MAX User Manual page 147

Problem
Cannot turn
your phone on
4G LTE
nano-SIM card
error
Unable to
connect to the
network
Phone crashes,
reboots, freeze,
or cannot be
powered on
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.
Battery power has been
depleted.
4G LTE nano-SIM card
malfunction or damage.
4G LTE nano-SIM card
inserted improperly.
Debris on the 4G LTE card
contacts.
4G LTE card invalid.
You are not within the
network‟s service area.
Poor signal.
Some third-party software is
not compatible with your
phone.
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.
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