To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. How to create a business channel on Telegram? (Tutorial) It’s easy to create a Telegram channel via desktop app or mobile app (for Android and iOS): Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. 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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