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. The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: The Standard Channel To delete a channel with over 1,000 subscribers, you need to contact user support Telegram users themselves will be able to flag and report potentially false content.
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