58
4. SIM card might not be inserted properly
Please check, and insert the SIM card properly.
4. You can
’t make a call?
Possible Reasons for Malfunction
Solutions
1. Phone power off.
Please power on your phone.
2. Phone is out of the network service area.
Please make sure the current network is in
good service.
3. Your SIM card is not proper or out of service
fee.
Make sure your SIM card can work properly.
4. Perhaps you set up call barring.
According to your needs, please cancel call
barring.
5. The phone screen is locked.
Please unlock the screen according to the
prompts.
5. I cannot hear and/or be heard from the other side?
Possible Reasons for Malfunction
Solutions
1. Call volume is low.
Please raise the phone call volume.
2. Mute icon is pressed during the call
Please deactivate the Mute function.
3. The signal is poor or unstable
Please move to an open area or an area with
good signal strength.
Summary of Contents for Fab! F51
Page 1: ...User s Manual...
Page 11: ...11 2 Insert the SIM cards 3 Insert the battery...