http://www.techradar.com/news/sony-xperia-xz1 >The Sony Xperia XZ1 has been officially launched at IFA 2017 in Berlin, and it is Sony’s latest flagship smartphone targeted at a more mainstream audience than the pricier, 4K-toting XZ Premium. >It arrived alongside the smaller Sony Xperia XZ1 Compact which packs the same power, camera, OS and battery into a one-handed-use friendly form factor.