LB L3 True Tone Board for iPhone 7–11 Pro Max Repair

The LB L3 True Tone Board is a professional repair tool designed for reading, writing, and restoring True Tone display data on iPhone 7 to iPhone 11 Pro Max models. It helps technicians transfer original screen calibration information during LCD replacement and display repair procedures. Designed for motherboard and screen repair applications, this high-precision board provides stable data communication and reliable performance for professional mobile phone repair technicians.