How to create a business channel on Telegram? (Tutorial) “Hey degen, are you stressed? Just let it all out,” he wrote, along with a link to join the group. Select “New Channel” 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 edit your name or bio, click the Menu icon and select “Manage Channel.”
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