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. The best encrypted messaging apps Ng Man-ho, a 27-year-old computer technician, was convicted last month of seven counts of incitement charges after he made use of the 100,000-member Chinese-language channel that he runs and manages to post "seditious messages," which had been shut down since August 2020. As five out of seven counts were serious, Hui sentenced Ng to six years and six months in jail. Unlimited number of subscribers per channel
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