144 
The local telephone line 
quality is poor. 
End the call and dial again. 
You may switch to a 
better-quality network link or 
phone line. 
Unable to 
select certain 
features 
Your service provider does 
not support these features, 
or you have not applied for 
services that provide these 
features. 
Contact your service 
provider. 
Cannot charge 
the battery 
The battery or battery 
charger is damaged. 
The phone‟s temperature is 
below 0 °C or 32° F, or higher 
than 45 °C or 113° F. 
Adjust the battery charging 
environment to avoid 
extremes of temperature. 
The contact between the 
battery and charger is poor. 
Check all connectors to 
ensure all connections are 
secure. 
The standby time is related 
to your service provider 
system configuration. The 
same phone used with 
different service providers‟ 
systems will not provide the 
same length of standby 
time. 
If you are in an area with a 
weak signal weak, 
temporarily power off the 
phone. 
The battery is depleted. In 
high temperature 
environments and will be 
shortened. 
Contact the dealer to 
change a new battery.