Zte Grand X User Manual page 137

Problem
Echo or
noise
Unable to
select
certain
features
Battery not
charge
Possible causes
from a base station for
your service provider.
Poor network trunk
quality on the part of
your service provider.
Poor local telephone
line quality.
Your service provider
does not support these
features, or you have not
applied for services that
provide these features.
The battery or battery
charger is damaged.
The phone's
temperature is below
0 ° C or higher than
45 ° C.
Poor contact between Check all connectors
Possible solution
service area map from
your service provider.
Dial again. You may be
switched to a
better-quality network
trunk or phone line.
Dial again. You may be
switched to a
better-quality network
trunk or phone line.
Contact your service
provider.
Contact the dealer.
Adjust the battery
charging environment
to avoid extremes of
temperature.
137