Ufone U509, User Manual

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
Please confirm that the call is barred because of owned toll.

Please confirm whether the SIM card is valid.

Please confirm whether the fixed dial function is set UP.
Contact cannot hear you

Please confirm that the microphone is opened

Please keep the microphone at the bottom of the phone close to your
mouth.
Short standby time

The stand-by time is relevant to the system setup. The phone is possibly at
the place where the signal state is bad. When the phone cannot receive
the signal, the phone will transmit to search the base station
continuously;consuming a great deal of battery capacity and shortening
the stand-by time of the battery. Please move to the place where the
signal is strong to use the phone or temporarily power the phone off.

The battery requires to be displaced with a new battery.
Cannot charge

Bad contact! Please check that the plug is connected well;

Wipe the interfaces of the phone and battery with soft and dry clothing.

Charge at the environment below -20
℃
or beyond 55
℃
.Please change the
charging environment;
The battery or adapter is damaged and requires to be replaced;

Please record the phone model and SN, authorized or insurance