5Telegram Channel avatar size/dimensions While the character limit is 255, try to fit into 200 characters. This way, users will be able to take in your text fast and efficiently. Reveal the essence of your channel and provide contact information. For example, you can add a bot name, link to your pricing plans, etc. Unlimited number of subscribers per channel To view your bio, click the Menu icon and select “View channel info.” Channel login must contain 5-32 characters
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