To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. 4How to customize a Telegram channel? With the administration mulling over limiting access to doxxing groups, a prominent Telegram doxxing group apparently went on a "revenge spree." Those being doxxed include outgoing Chief Executive Carrie Lam Cheng Yuet-ngor, Chung and police assistant commissioner Joe Chan Tung, who heads police's cyber security and technology crime bureau. Click “Save” ;
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