How to Create a Private or Public Channel on Telegram? To edit your name or bio, click the Menu icon and select “Manage Channel.” 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 Click “Save” ;
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