How to delete SMS blacklist?

After entering the main interface, you can see the functions of three points in the upper right corner, that is, more setting functions that need to be opened.

After opening it, click the block harassment information, and you can see the blocked information and blacklist operation. Then select the Block Blacklist function.

After entering the interface, click the edit function in the upper right corner, then select the contact to delete the blacklist, and click Delete to delete it from the blacklist.