You can pre-order the device now on a range of networks, if you're really keen. But if you want the 64GB edition you'll need to sign up on O2, which has exclusive rights to sell the top-end model and is offering it free when you ink a two-year contract at £37 per month.
A 41-megapixel camera is the jewel in the 1020's brightly coloured crown. That resolution was previously seen in Nokia's 808 PureView, but that handset ran Symbian, which was outdated even then.
The 1020 runs Windows Phone 8, however, so it's much better equipped to duke it out with its smartphone rivals.
It also features Nokia Pro Camera, an app designed to make it easier for anyone to take professional-looking pictures. You can preview how the shot will look before you snap, for example.
Another feature means each time you take a picture, it captures a 38-megapixel snap for printing and editing, along with a 5-megapixel one for uploading to the web.
Carl Zeiss optics are on board, and image stabilisation gives you statue-steady snaps no matter what the conditions.
The 1020 is expected to be one of the last flagship handsets the company launches before it's taken over by Microsoft.
The Redmond-based company announced it was buying Nokia's mobile division recently, with the deal expected to go through early next year.
The Nokia Lumia 1520 Bandit - the company's first 6-inch handset - should be announced before then though, if recent leaks are to be believed.
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