What better place to put the new, Sony Xperia Z1 through its paces than on a bona fide race track?
O2 Guru TV did just that, tooling up with the 5-inch Android handset and heading down to the famous Brands Hatch race circuit.
As well as showing off the Z1's fast and furious features like 4G connectivity, a quad-core processor and 2GB of RAM, our hosts Maddie and Gav take things to the next level.
The two daredevils race blind around the track with nothing but the Z1's, HD display, 20MP camera and detachable Smart Lens to guide them.
Who took pole position? You'll have to watch to find out.
To find out more about the Xperia Z1, just click the link here - and don't forget to subscribe to O2 Guru TV for all the latest tech news and advice.
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