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. Unlimited number of subscribers per channel 4How to customize a Telegram channel? The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: Telegram offers a powerful toolset that allows businesses to create and manage channels, groups, and bots to broadcast messages, engage in conversations, and offer reliable customer support via bots.
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