High-Definition Incell LCD ScreenPre-Installation Precautions1. Tip 1: Pre-Installation TestingDo not remove any protective films or labels during testing. Be aware of static electricity.Before attempting any repair, ground yourself using an anti-static wrist strap. This prevents static electricity from damaging the phone's internal electronic components.Wear protective eyewear.2. Tip 2: Simulation TestingScreen replacements are very fragile. We strongly recommend testing them before installation. Perform a simulation test by disassembling the phone (motherboard and LCD screen or display), connecting the audio cable and the new replacement, powering it on, and testing. If the test is normal, proceed with installation.3. Tip 3: Avoid Excessive Cable BendsMake sure the LCD cable is not excessively bent. Bending it more than 90 degrees will result in a black screen.About the Product1. Replacement LCD display + touchscreen digitizer assembly (incell material) for iPhone 13 Pro Max.2. Replace damaged or non-functional components. 3. Make your device look like new. 4. Fits perfectly and works perfectly.