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. Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click “Save”.! The SUCK Channel on Telegram, with a message saying some content has been removed by the police. Photo: Telegram screenshot. The Standard Channel
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