A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.” 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 Administrators Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New Channel.”
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