The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.” How to Create a Private or Public Channel on Telegram? 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. Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value.
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