5Telegram Channel avatar size/dimensions Write your hashtags in the language of your target audience. Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click “Save”.! The Channel name and bio must be no more than 255 characters long In 2018, Telegram’s audience reached 200 million people, with 500,000 new users joining the messenger every day. It was launched for iOS on 14 August 2013 and Android on 20 October 2013.
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