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Telegram News
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. End-to-end encryption is an important feature in messaging, as it's the first step in protecting users from surveillance. To view your bio, click the Menu icon and select “View channel info.” Channel login must contain 5-32 characters 6How to manage your Telegram channel?
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