How to Create a Private or Public Channel on Telegram? 5Telegram Channel avatar size/dimensions To edit your name or bio, click the Menu icon and select “Manage Channel.” Image: Telegram. 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.
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