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. SUCK Channel Telegram The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: Telegram desktop app: In the upper left corner, click the Menu icon (the one with three lines). Select “New Channel” from the drop-down menu. Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel.
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