How to create a business channel on Telegram? (Tutorial) The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar. In the next window, choose the type of your channel. If you want your channel to be public, you need to develop a link for it. In the screenshot below, itβs β/catmarketing.β If your selected link is unavailable, youβll need to suggest another option. Itβs easy to create a Telegram channel via desktop app or mobile app (for Android and iOS): 4How to customize a Telegram channel?
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