Telegram desktop app: In the upper left corner, click the Menu icon (the one with three lines). Select βNew Channelβ from the drop-down menu. Telegram users themselves will be able to flag and report potentially false content. How to Create a Private or Public Channel on Telegram? To upload a logo, click the Menu icon and select βManage Channel.β In a new window, hit the Camera icon. The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar.
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