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. Polls Add up to 50 administrators Telegram offers a powerful toolset that allows businesses to create and manage channels, groups, and bots to broadcast messages, engage in conversations, and offer reliable customer support via bots. A Hong Kong protester with a petrol bomb. File photo: Dylan Hollingsworth/HKFP.
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