1. Wake up the phone, open the potato client and log in.

2. Next, you need to switch the page [Contacts] to [Chat].

3. Next, click the magnifying glass button above to open the search box.

4. Enter the group address format "@" in the search box. As long as the address is correct, the specified group and multiple channels will appear.

5. After clicking on the group, enter the group chat area, preview the group information, and click the "Join" button below, as shown in the figure below.