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) 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. To view your bio, click the Menu icon and select “View channel info.” best-secure-messaging-apps-shutterstock-1892950018.jpg
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