Tool: iPhone8

Operating system: iOS 14.4. 1.

Software: qq8.0

1, open the mobile QQapp.

2. Enter the main interface, click the symbol in the upper right corner, and then select Add Friends/Groups.

3. Enter the group number or name in the pop-up interface.

4. Find the corresponding group chat.

5. Finally, select Apply to join the group under the group information.