If the version of WeChat is too low, it may also lead to the inability to add friends.

First, we install Apple iTunes software on the computer, link the data cable of the mobile phone to the USB interface of the computer, and open iTunes to transfer the data in the mobile phone to the iTunes software.

Press Display in the iTunes bar and check the display sidebar;

A sidebar will be displayed on the left side of iTunes, and then click Apply;

Click the update button in the application to see some software that needs to be updated;

Select WeChat, right-click and click Update Application. It will automatically download the latest version of WeChat software in iTunes, and it will be fine.