Does the mobile company have the obligation to cancel the new mobile card when it receives the information of the third party's arrears?

When the recovered mobile phone number is re-enabled, the operator shall protect the interests of new users. For some users who are bound to third-party platforms, operators are obliged to inform users in written form and try their best to unbind related services.

In addition, for new users who recycle numbers, operators should also take the initiative to inform the other party that the numbers are reused, so that users have a certain choice, and inform users of the corresponding solutions when they encounter related problems in recycling numbers.