The Asus ROG Phone 3 is about to play a high-stakes game of teardown – as always, the final boss is Zack from JerryRigEverything. The big question is how much of the design is there just to look cool and how much has an actual function. It turns out that the answer is “more than before”. The glass window on the back has a vent to let hot air out (and a mesh to keep dust out). It sits right on top of a fairly chunky metal panel, which soaks up heat from the chipset through a layer of thermal paste. Another interesting element is the tiny board, which powers the RGB LEDs on the back –...