Troubleshooting iPhone 13 Power Issues: A Step-by-Step Guide
As smartphones become increasingly powerful, the iPhone, as a high-end flagship device, boasts exceptional stability, but hardware issues are still not completely immune. Among these issues, "not turning on" is a common and frustrating problem. In this article, Phonefix will use an iPhone 13 case study that failed to power on due to a "short circuit in the hard drive power supply" as a guide, explaining the entire process from receiving the device, testing, diagnosis, and repair. We hope to provide a reference for repair technicians. I. Problem Overview • Model: iPhone 13 • Symptom: Unable to power on, black screen, and no response • Customer Description: The phone suddenly shut down while in use and would not restart. Charging attempts were ineffective. II. Initial Inspection The first step in the repair process is an initial inspection. This simple visual inspection and preliminary testing provide guidance for subsequent disassembly and in-depth repairs. 1.1 Vis...