Unveiled back in August and on sale in China since then, the nubia Z20 is now officially available for purchase internationally. The dual-screen flagship can now be purchased in North America, Europe and Asia. While the focal point of the device is the presence of the secondary 5.1-inch screen on the back, it leaves little to be desired elsewhere, with flagship components throughout. You get a curved 6.42-inch AMOLED display, Snapdragon 855+ SoC alongside a 4,000 mAh battery and triple camera setup. Thanks to that second display you lose out on the whole notch/cutout/pop-up...