Uniden CP200 Owner's Manual page 16

Troubleshooting
Call registration
fails
Battery fails to
charge
Cannot connect
to the network
UNIDEN CP200
1. There may be strong signal interference;
2. you might have activated the Call Barring function;
1. The battery may have been excessively discharged.
To charge the battery, it is necessary to connect it to a
charger for a certain period of time;
2. The battery may have been deteriorated.
1. Check whether the signal is too weak or wireless
interference exists around;
2. Check whether the SIM card is installed correctly, poor
connection exists, or the SIM card is damaged. If the SIM
card is damaged, please contact the network provider.
16
GSM Dual Band Mobile Phone