Read reviews on the go.
'Raw processor benchmark results were in line with other devices with similar specs, and heavy games like Asphalt 8: Airborne played smoothly. '
'The IPS-based LCD screen is sharp, rich, colourful, responsive, bright... and some other good things we can't quite recall right now.'
'Its one-piece uni-body shell feels nice in the hand with its soft matt finish (some colours of the 1520 have a glossy finish).'
'The Nokia Lumia 1520 is just about the biggest and most significant Windows Phone release to date. '
'For normal media viewing everything looks great, but you really notice the difference when watching or viewing full HD 1080p content where, as with the Xperia Z, everything takes on an incredible and cinematic, almost 3D-like quality.'
'The Sony Xperia Z1 looks stunning, it's a distinctive design and there's no questioning the quality of the build. '
The next level of Sony's Android ambitions or a needless mid-cycle vanity upgrade?
Dedicated camera button for underwater shooting
'all key are easy to feel and press without looking, with deep and clicky feedback to them.'
'Noise cancellation worked well in my tests, as the Z Ultra blocked out a good amount of loud street noise, but I did notice a persistent hiss. '
'It's almost impossible to reach anything in the top half of the display or on the opposite side to your hand.'
'Sometimes it felt like the Xperia Z Ultra was wandering into a design minefield as far as usability is concerned, because certain tasks ended up being made more difficult by its sheer bulk. '
'Nice aluminum design.'
'As with the regular HTC One, image quality is incredibly sharp, while brightness, colour and contrast are all excellent.'
'Fingerprint scanner's location makes it difficult not to swipe the camera lens.'
'excellent display and stellar battery life'