The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar. You can invite up to 200 people from your contacts to join your channel as the next step. Select the users you want to add and click βInvite.β You can skip this step altogether. A new window will come up. Enter your channel name and bio. (See the character limits above.) Click βCreate.β The groupβs featured image is of a Pepe frog yelling, often referred to as the βREEEEEEEβ meme. Pepe the Frog was created back in 2005 by Matt Furie and has since become an internet symbol for meme culture and βdegenβ culture. Telegram Android app: Open the chats list, click the menu icon and select βNew Channel.β
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