How to cancel the blacklist of mobile phone numbers?

If you use a vivo phone, the method to cancel the blacklist is as follows:

Enter I housekeeper-utility-harassment interception-blacklist-long-term cancellation blacklist number as required, and click Delete.

If you have more questions, you can enter vivo official website-My-Online Customer Service-Sliding Bottom-Online Customer Service-Enter Manual Customer Service and enter the consultation.