Telegram Android app: Open the chats list, click the menu icon and select “New Channel.” 5Telegram Channel avatar size/dimensions The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: Telegram channels fall into two types: Avoid compound hashtags that consist of several words. If you have a hashtag like #marketingnewsinusa, split it into smaller hashtags: “#marketing, #news, #usa.
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