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5Telegram Channel avatar size/dimensions To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. 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. Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. How to create a business channel on Telegram? (Tutorial)
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