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. 2How to set up a Telegram channel? (A step-by-step tutorial) Informative With Bitcoin down 30% in the past week, some crypto traders have taken to Telegram to “voice” their feelings. To view your bio, click the Menu icon and select “View channel info.”
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