To upload a logo, click the Menu icon and select βManage Channel.β In a new window, hit the Camera icon. Done! Now youβre the proud owner of a Telegram channel. The next step is to set up and customize your channel. 5Telegram Channel avatar size/dimensions βBanβ on Telegram 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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