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: The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: To edit your name or bio, click the Menu icon and select “Manage Channel.” Developing social channels based on exchanging a single message isn’t exactly new, of course. Back in 2014, the “Yo” app was launched with the sole purpose of enabling users to send each other the greeting “Yo.”
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