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. Telegram users themselves will be able to flag and report potentially false content. Invite up to 200 users from your contacts to join your channel How to Create a Private or Public Channel on Telegram?
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