How to Create a Private or Public Channel on Telegram? To edit your name or bio, click the Menu icon and select “Manage Channel.” With Bitcoin down 30% in the past week, some crypto traders have taken to Telegram to “voice” their feelings. 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. 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.
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