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. To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. Step-by-step tutorial on desktop: The group also hosted discussions on committing arson, Judge Hui said, including setting roadblocks on fire, hurling petrol bombs at police stations and teaching people to make such weapons. The conversation linked to arson went on for two to three months, Hui said. 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.
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