Select: Settings – Manage Channel – Administrators – Add administrator. From your list of subscribers, select the correct user. A new window will appear on the screen. Check the rights you’re willing to give to your administrator. 5Telegram Channel avatar size/dimensions To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. 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. Invite up to 200 users from your contacts to join your channel
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