End-to-end encryption is an important feature in messaging, as it's the first step in protecting users from surveillance. 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. To view your bio, click the Menu icon and select “View channel info.” ‘Ban’ on Telegram The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be:
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