SANKA For iPhone 4S Screen LCD Replacement, Retina Display Digitizer Touch Screen Replacement Repair Kit with Tools for iPhone 4S - White 1. High-Quality: LCD screen Only for iPhone 4S, NOT work on iphone 4GSM/4CDMA, Each screen was tested before shipping and 100% work 2. Free-Tools and Free Risk Purchase: SANKA offer 1 year warranty for all quality problem , and offer all the tools you need to replace the screen. If this screen can not work, just contact our customer service directly for the free placement or refund without return 3. Easy - installation: Featured with high sensitivity, easy installation, convenient application and durable performance 4. Fast & Free Shipping: Ship from Amazon USA FBA warehouse, 1 day delivery is available 5. Less-Cost but Effective Solution: It is used to repair and replace your screen, cracked, damaged, defective, badly broken. Also solve display problems, dead pixels, cracked screen, problems with the wrong color. This is an alternative replacement service with less than half the cost made by Apple