If you own an iPhone, you know cracked screens are expensive to fix. So should you repair it yourself? To save money, you can use a repair service. You can order a replacement screen repair kit for $30 and then watched a 30-minute “how-to” video from icracked.com.So if you’re thinking about replacing an iPhone screen yourself, realize it can save you some money but it could cost you a lot of time and aggravation, if you don’t have enough patience. Just how easy is repairing broken phone screens?.