4How to customize a Telegram channel? To view your bio, click the Menu icon and select “View channel info.” In the next window, choose the type of your channel. If you want your channel to be public, you need to develop a link for it. In the screenshot below, it’s ”/catmarketing.” If your selected link is unavailable, you’ll need to suggest another option. 5Telegram Channel avatar size/dimensions Add up to 50 administrators
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