This is Beijinger. I'd like to change it to 4g 10 yuan SMS package, and the provincial traffic 10 yuan. Why is it useless?

Because the information you provided is incomplete, if you mean that the mobile phone change package is unsuccessful, it is not excluded that the number is caused by the following circumstances:

1 Your mobile phone is in arrears and cannot be replaced;

You changed the set meal this 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;

From the last day of the end of May to the beginning of the month, it may affect your use of the package for business exchange;

6 Other factors make it impossible to replace the package.

Excluding the above situation, it still cannot be changed. I suggest you consult the Unicom manual customer service to which the number belongs.

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