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. Users are more open to new information on workdays rather than weekends. To delete a channel with over 1,000 subscribers, you need to contact user support How to create a business channel on Telegram? (Tutorial)
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