Owner's Manual
Page 110
...Tap in for a service or calling a service engineer. Relocate to another area and try again later or attempt after relocating to see if any problems you have encountered with the phone are too many users, connection may be cut off even after it back in certain areas? A Remove the battery... may be inconsistent and not audible. A When the frequency environment is the connection inconsistent or not audible in . Q Why is no change, fully charge the battery and try again. 106 >> Q&A A When frequency is unstable or weak or if there are described in this section before taking the phone...
...Tap in for a service or calling a service engineer. Relocate to another area and try again later or attempt after relocating to see if any problems you have encountered with the phone are too many users, connection may be cut off even after it back in certain areas? A Remove the battery... may be inconsistent and not audible. A When the frequency environment is the connection inconsistent or not audible in . Q Why is no change, fully charge the battery and try again. 106 >> Q&A A When frequency is unstable or weak or if there are described in this section before taking the phone...