Why can't Mianyang Unicom's 4G local voice package be changed to 4G national package?

If you can't change the 4G package, it is not excluded that the number is caused by the following circumstances:

1. Your mobile phone has expired and cannot be replaced;

2. You changed the package in the current month;

3. Users with contract plan restrictions;

4. Your mobile phone is in an abnormal service state such as number protection and loss reporting, or it is a blacklisted user;

5. From the last day of the month to the beginning of the month, it may affect you to use the package for business;

6. The package change business cannot be handled from 00: 00 to 24: 00 on the last day of the month;

7. Other factors make it impossible to change the packaging.

If the above situation cannot be changed, it is suggested that you can contact Unicom to which this number belongs for manual customer service verification. The actual situation is subject to local policies.

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