Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them. 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. Select “New Channel” Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon.
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