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. The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: Telegram desktop app: In the upper left corner, click the Menu icon (the one with three lines). Select “New Channel” from the drop-down menu. Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them.
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