Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New Channel.” How to create a business channel on Telegram? (Tutorial) Image: Telegram. 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
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