The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar. How to Create a Private or Public Channel on Telegram? Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. 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. The administrator of a telegram group, "Suck Channel," was sentenced to six years and six months in prison for seven counts of incitement yesterday.
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