Having a cracked iPhone screen can significantly lower its trade-in value, costing you hundreds of dollars in potential earnings.The market for iPhone screen repairs has expanded, making it more affordable to fix your screen.Repairing a cracked screen can increase trade-in value by three to four times the repair cost.Higher-end models like the iPhone 11 Pro can see a trade-in value increase from £180-£220 to £350-£400 with a fixed screen.It's crucial to repair screens on newer models for the best return on investment, whereas older models may not yield significant value increases.Quality screen replacements are essential to maintain trade-in value; look for OEM or high-quality compatible screens.Consider repairing battery health and back glass panel to further enhance your device's trade-in value.Market timing, such as selling before new iPhone releases, can help maximize your phone's trade-in value.DIY repairs come with risks and are recommended only for those experienced in electronics repair.Fixing a cracked screen before selling or trading in your iPhone can be a financially wise decision, potentially resulting in significant returns.