• Chances are that signal is too weak. Move to an open area and try
again.
• Chances are that the phone is out of service area. Check if the
Internet is available.
• Chances are that airplane mode is on. Turn off airplane mode.
• Check if software is abnormal. If so, restart the phone.
• 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 Settings to set
up cellular data.
• Check if prepaid charge has reached its limit. If so, contact service
provider.
My calls don’t connect
If your calls don’t connect, try the following:
• Check if phone number is too long.
• Ensure international roaming service and international call service
are enabled. If not, contact service provider.
Phone doesn’t make a sound when it rings
If your phone doesn’t make a sound when it rings, check if silent or
vibrate mode is enabled.
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