Telegram channels fall into two types: How to create a business channel on Telegram? (Tutorial) 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. Joined by Telegram's representative in Brazil, Alan Campos, Perekopsky noted the platform was unable to cater to some of the TSE requests due to the company's operational setup. But Perekopsky added that these requests could be studied for future implementation. Informative
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