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To edit your name or bio, click the Menu icon and select “Manage Channel.” 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. ZDNET RECOMMENDS Telegram Android app: Open the chats list, click the menu icon and select “New Channel.” A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.”
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