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• 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 pre-paid 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 is 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, try to check if
silent or vibrate mode is enabled.
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