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Developer Options
Developer options contains settings that are useful for developing
Android applications.
About Phone
View phone status and legal information. You can also check for
system updates.
You are too far away from
a base station for your
service provider.
Echo or noise Poor network trunk quality
on the part of your service
provider.
Poor local telephone line
quality.
Unable to
Your service provider does
select certain
not support these features,
features
or you have not applied for
services that provide these
features.
Battery not
The battery or battery
charged
charger is damaged.
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You can request a service
area map from your
service provider.
End the call and dial
again. You may be
switched to a
better-quality network
trunk or phone line.
End the call and dial
again. You may be
switched to a
better-quality network
trunk or phone line.
Contact your service
provider.
Contact the dealer.
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Troubleshooting
If you encounter problems while using the phone, or if it performs
abnormally, you can refer to the chart below. If your particular
problem cannot be resolved using the information in the chart,
contact the dealer where you purchased the phone.
Problem
Possible causes
Poor
The network signal is too
reception
weak at your current
location, for example, in a
basement or near a tall
building, because wireless
transmissions cannot
effectively reach it.
The network is busy at the
current time (for example,
during peak times, there
may be too much network
traffic to handle additional
calls).
The phone's temperature is
below 0°C or higher than
45 °C.
Poor contact between the
battery and charger.
Shortened
The standby time is related
standby time
to your service provider
system configuration. The
same phone used with
different service providers'
systems will not provide
exactly the same length of
standby time.
The battery is depleted. In
high-temperature
environments, battery life
will be shortened.
Possible solution
Move to a location where
the network signal can be
properly received.
Avoid using the phone at
such times, or try again
after waiting a short time.
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Adjust the battery
charging environment to
avoid extremes of
temperature.
Check all connectors to
make sure all connections
have been properly made.
If you are located in an
area where signaling is
weak, temporarily power
off the phone.
Use a new battery.
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