Sony hasn’t reinvented the wheel with the Xperia 1 IV, but what it has changed are all welcome improvements. Crisp and detailed picture Improved speaker performance Quality build Tall aspect ratio slightly awkward Expensive

Excellent 4K HDR OLED display; Slim, comfortable form factor; Novel true optical zoom periscope camera;

Incredibly expensive; Overheats easily; Camera apps demand photography expertise;

Flexible, fast and capable cameras with impressive manual controls; A true flagship in all other respects, from screen to performance; Has all the features other phones have forgotten about;

Newbie snappers will only scratch the surface of what the cameras can do; Gets toasty under load, to the point of throttling; 4K resolution has limited use, and lacks dynamic refresh;