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. Some Telegram Channels content management tips 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. Concise Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them.
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