The inability to change the package does not rule out that the mobile phone number is restricted. For example, the reasons for the failure of changing a mobile phone to a 3G package are:

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

2. You changed the package in the current month;

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

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

5. The package cannot be changed from 00: 00 to 24: 00 on the last day of the month;

6.2G prepaid users cannot handle 3G services in the online business hall;

7. The original mobile phone package does not support changing to 3G package. If you participate in Unicom's contract plan, you can only switch from flat package to high package during the contract period, but you can't switch to low package successfully.

If the above situation is ruled out, it is suggested that you can contact the customer service phone number 100 10 to find out.

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IPhone SE has been officially released, please click/sabmm for the latest news about the contract machine;

4G primary and secondary cards:/02 UPY;