The Channel name and bio must be no more than 255 characters long 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. Today, we will address Telegram channels and how to use them for maximum benefit. To edit your name or bio, click the Menu icon and select “Manage Channel.” How to Create a Private or Public Channel on Telegram?
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