It’s easy to create a Telegram channel via desktop app or mobile app (for Android and iOS): To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. 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. ‘Ban’ on Telegram Developing social channels based on exchanging a single message isn’t exactly new, of course. Back in 2014, the “Yo” app was launched with the sole purpose of enabling users to send each other the greeting “Yo.”
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