Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. The group’s featured image is of a Pepe frog yelling, often referred to as the “REEEEEEE” meme. Pepe the Frog was created back in 2005 by Matt Furie and has since become an internet symbol for meme culture and “degen” culture. 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. Concise 5Telegram Channel avatar size/dimensions
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