Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. 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. A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.” Telegram Channels requirements & features
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