Today, we will address Telegram channels and how to use them for maximum benefit. How to create a business channel on Telegram? (Tutorial) A vandalised bank during the 2019 protest. File photo: May James/HKFP. Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. 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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