Zte AXON User Manual page 158

Problem
Echo or
noise
Unable to
select
certain
features
Battery not
charge
Possible causes
The service provider
network link quality is
poor.
The local telephone
line quality is poor.
The service provider
does not support these
features, or you have
not applied for services
that provide these
features.
Damaged battery or
battery charger.
The phone's
temperature is below 0
C or 32 F degrees F, or
higher than 45 C or 113
F degrees.
Possible solution
End the call and dial
again. The service
provider may switch
the next call to a
better-quality network
link or phone line.
End the call and dial
again. The service
provider may switch
the next call to a
better-quality network
link or phone line.
Contact your service
provider.
Contact the dealer.
Adjust the battery
charging environment
to avoid extremes of
temperature.
158