Zoom function failure troubleshooting, component replacement, fault analysis, data detection and matching teaching for the full range of Apple camera modules.This chapter covers zoom function failure troubleshooting and detection of iphone cameras. It teaches how to analyze the causes of zoom function inactivity, including component damage, circuit faults, and software mismatches. Content includes fault analysis methods, data detection techniques to identify hidden issues, component replacement for faulty parts, and matching teaching to ensure repaired components are compatible with the camera module. Learners will be able to complete zoom function fault diagnosis, detection, and repair independently.