A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.” How to Create a Private or Public Channel on Telegram? Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. Invite up to 200 users from your contacts to join your 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.
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