28
•
Chances are that airplane mode is on. Turn off airplane
mode.
•
Check if software is abnormal. If so, restart the device.
•
Check if SIM card has failure. If so, check or change SIM
card.
•
Ensure that the dialing is right.
•
Check if cellular data setting has failure. If so, go to
Set-
tings
to set up cellular data.
•
Check if pre-paid charge has reached its limit. If so, contact
service provider.
Calls are not connected
•
Check if phone number is too long.
•
Ensure international roaming service and international call
service is enabled. If not, contact service provider.
No calls alerting sound
Check if silent or vibrate mode is enabled.
