The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. 4How to customize a Telegram channel? Developing social channels based on exchanging a single message isnโt exactly new, of course. Back in 2014, the โYoโ app was launched with the sole purpose of enabling users to send each other the greeting โYo.โ A Hong Kong protester with a petrol bomb. File photo: Dylan Hollingsworth/HKFP. 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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