Administrators The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. Deputy District Judge Peter Hui sentenced computer technician Ng Man-ho on Thursday, a month after the 27-year-old, who ran a Telegram group called SUCK Channel, was found guilty of seven charges of conspiring to incite others to commit illegal acts during the 2019 extradition bill protests and subsequent months. Telegram channels fall into two types: Telegram Channels requirements & features
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