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Telegram News
6How to manage your Telegram channel? 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. Content is editable within two days of publishing Telegram Channels requirements & features You can invite up to 200 people from your contacts to join your channel as the next step. Select the users you want to add and click “Invite.” You can skip this step altogether.
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