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. 2How to set up a Telegram channel? (A step-by-step tutorial) How to create a business channel on Telegram? (Tutorial) Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them. 6How to manage your Telegram channel?
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