The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar. More>> Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: How to Create a Private or Public Channel on Telegram?
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