44
Problem
Possible causes
Possible solution
nano-SIM card
error
nano-SIM card malfunction or
damage.
Take the nano-SIM card to
your service provider for
testing.
nano-SIM card inserted
improperly.
Insert the nano-SIM card
properly.
Debris on the nano-SIM card
contacts.
Use a soft, dry cloth to clean
the nano-SIM card contacts.
Unable to
connect to the
network
nano-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.
Device
crashes,
reboots,
freeze, or
cannot be
powered on
Some third-party software is not
compatible with your device.
Reset the device to factory
status.
Uninstall the software that
may cause the problem.
Upgrade the device
software.
Summary of Contents for GRAND X View 3
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