'The aperture is of the G Lens camera is reasonably wide (f/2.0), which should also help the camera achieve good results in low-light conditions, as it lets more light reach the sensor.'
'Improved screen contrast and angles'
'The Xperia Z2 is packed with the latest wireless technology so you'll be sorted with dual-band Wi-Fi up to 11ac, Bluetooth 4.0 with aptX, NFC and 4G LTE are all on-board. '
'No Micro SD card slot.'
'The Xiaomi Mi 4 delivers snappy performance, a great camera, and good looks at a low price.'
'16/64 GB of built-in memory. '