A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.” 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. "Doxxing content is forbidden on Telegram and our moderators routinely remove such content from around the world," said a spokesman for the messaging app, Remi Vaughn. Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New Channel.” How to create a business channel on Telegram? (Tutorial)
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