Apple may be offering in-store repairs for your cracked iPhone screen but that doesn’t mean you should take them up on their offer when you can do just as good a job yourself. CNET has published a terrific new video by Bill Detwiler, who shows you how easy it is to replace your cracked iPhone screen in just four easy steps. To lay the groundwork for your iPhone screen replacement, first you’ll need to procure a replacement screen (duh) and then make sure you have all the right tools, including “a few thin prying tools, tweezers, Phillips 000 screwdriver, suction cup, and a special pentalobe screwdriver.” Once you’ve done these preparations, replacing your screen should take no time at all: First you