If you joined a new channel and want to connect to it with Auto-trading using the Telegram bot, follow these steps:
Main Menu > Auto Trading > Legacy Auto-trading > Choose Client > Client Name > Connect a Channel > Click on the channel you wish to start auto-trading.
If you wish to stop auto-trading a channel, you should disconnect this channel from your client:
Main Menu > Auto Trading > Legacy Auto-trading > Choose Client > Client Name > Existing Channels > Choose the channel you want to stop auto-trading.