The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar. To view your bio, click the Menu icon and select “View channel info.” Each account can create up to 10 public channels Telegram desktop app: In the upper left corner, click the Menu icon (the one with three lines). Select “New Channel” from the drop-down menu. A vandalised bank during the 2019 protest. File photo: May James/HKFP.
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