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. Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. A Hong Kong protester with a petrol bomb. File photo: Dylan Hollingsworth/HKFP. A Telegram channel is used for various purposes, from sharing helpful content to implementing a business strategy. In addition, you can use your channel to build and improve your company image, boost your sales, make profits, enhance customer loyalty, and more. A vandalised bank during the 2019 protest. File photo: May James/HKFP.
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