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. 5Telegram Channel avatar size/dimensions Invite up to 200 users from your contacts to join your channel 2How to set up a Telegram channel? (A step-by-step tutorial) The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be:
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