Why can't Unicom card make phone calls and send text messages?

Common reasons and solutions for the unavailability of Unicom's mobile phone number are as follows:

1, check whether the mobile phone is in arrears, and suggest paying for recharging;

2. Check whether the mobile phone is set with call forwarding, flight mode on and call barring. Suggest canceling and try again;

3. Check whether the function or signal of the mobile phone is normal. It is recommended to change your mobile phone or location and try again.

Tips: If you still can't solve the problem after trying, you can report the fault through China Unicom APP.