5Telegram Channel avatar size/dimensions 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. Unlimited number of subscribers per channel 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. As of Thursday, the SUCK Channel had 34,146 subscribers, with only one message dated August 28, 2020. It was an announcement stating that police had removed all posts on the channel because its content “contravenes the laws of Hong Kong.”
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