User's Manual

42
9.Appendix 1
Troubleshooting
Phenomena Possible Causes
Unable to switch on
1. Does the battery have power?
2. Is the battery placed correctly?
SIM failed
1. The SIM card is dirty. Clean it.
2. Reinstall the SIM card.
3. The SIM card is damaged.
Replace it.
Poor signals
Check the signal strength icon on the
screen. If the icon contains 3 bars, it
indicates the signal is the strongest; if
below 1 bars, it indicates the signal is
very poor.
Unable to dial out
1. Maybe you have set Hide My
Caller ID but your network
operator does not provide this
service for you.
2. Strong interference exists
around you.
3. Maybe you have activated the
call restriction function.
4. Maybe you have activated
Line 2 but your network
operator does not provide this
service for you.