It’s easy to create a Telegram channel via desktop app or mobile app (for Android and iOS): 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. Today, we will address Telegram channels and how to use them for maximum benefit. Telegram Android app: Open the chats list, click the menu icon and select “New Channel.” 5Telegram Channel avatar size/dimensions
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