The mobile phone is in arrears, but the Xiaomi account number is still the original mobile phone number! Now I can't even send text messages! what can I do? If you buy my mobile phone

There are only two ways, one is to use secret protection to retrieve the secret code, usually the historical password, the frequent landing place and so on.

Second, the number has not been available for a long time. You can pay the phone bill you owe in the business hall and get the number back before someone uses it.

In fact, most of the online software is registered with a mobile phone number, which is equivalent to an ID card. Don't abandon the number easily.