The Channel name and bio must be no more than 255 characters long Telegram channels fall into two types: How to build a private or public channel on Telegram? Channel login must contain 5-32 characters 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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