Tools: Apple 1 1, ios 13.5, WeChat 8.0. 10.

1. First of all, we should know that WeChat is different from qq, and it pays more attention to privacy. It doesn't directly back up the records of former friends, so it can't be directly restored. You can only find it by adding friends again. Open WeChat, click "+"and click "Add Friend" in the drop-down menu.

2. After entering the WeChat address book interface, if you know the other party's mobile phone number, you can add the other party as a friend through the mobile phone contact.

3. If you know the other person's mobile phone number, micro signal or qq number, you can also click Add Friend directly and search to add.

4. After clicking Add Friend, you can directly search for Add.

5. If friends have made comments and likes in the circle of friends before, they can also add them through the records of the circle of friends.

6. Find the interaction between friends and add it again.