How to create a business channel on Telegram? (Tutorial) Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. How to create a business channel on Telegram? (Tutorial) Public channels are public to the internet, regardless of whether or not they are subscribed. A public channel is displayed in search results and has a short address (link). The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar.
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