The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar. 2How to set up a Telegram channel? (A step-by-step tutorial) How to Create a Private or Public Channel on Telegram? Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click βSaveβ.! The visual aspect of channels is very critical. In fact, design is the first thing that a potential subscriber pays attention to, even though unconsciously.
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