http://www.simfreephonesuk.co.uk/sony-xperia-m4-aqua-sim-free

Because display technology is still playing catch up with smartphone cameras, you have to play the recording back through a 4K telly to fully appreciate the added detail. “We now need the right size for phones â€" the right processors capable of running 4K. Social Live: Broadcast the things that are happening around you in real time, directly to Facebook, whilst interacting with your friends as you upload your content. The beauty of this is that you can then use the native editing tool to apply slow-motion effects within your footage, without losing any of the quality. And, with a dedicated shutter button, you can take the waterproof Xperia M4 underwater, to capture those once in a lifetime shots.