Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New Channel.” Developing social channels based on exchanging a single message isn’t exactly new, of course. Back in 2014, the “Yo” app was launched with the sole purpose of enabling users to send each other the greeting “Yo.” 5Telegram Channel avatar size/dimensions To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. To view your bio, click the Menu icon and select “View channel info.”
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