To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. Telegram Channels requirements & features 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. bank east asia october 20 kowloon To edit your name or bio, click the Menu icon and select “Manage Channel.”
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