The visual aspect of channels is very critical. In fact, design is the first thing that a potential subscriber pays attention to, even though unconsciously. To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: 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. Select “New Channel”
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