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. The SUCK Channel on Telegram, with a message saying some content has been removed by the police. Photo: Telegram screenshot. The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: Concise Step-by-step tutorial on desktop:
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