To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: How to create a business channel on Telegram? (Tutorial) 5Telegram Channel avatar size/dimensions With the administration mulling over limiting access to doxxing groups, a prominent Telegram doxxing group apparently went on a "revenge spree."
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