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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. Step-by-step tutorial on desktop: Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: 4How to customize a Telegram channel?
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