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. Add up to 50 administrators Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them. Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. To edit your name or bio, click the Menu icon and select “Manage Channel.”
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