HTC continues to roll out Jelly Bean to the One X across the globe, and right now folks on Rogers in Canada get their turn. You can check for the update in the settings menu (Settings > About phone > System software updates) and 635MB later you'll have Sense 4.1+ on an Android 4.1.1 base.
As a One X user myself, I highly recommend you do this one. Google Now and project butter make this a great update to an already great phone.
Source: MobileSyrup. Thanks, Jonathan!
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