iPhone 13 No Wi-Fi/Bluetooth Repair: Fixing a Dropped Phone's Logic Board Is your iPhone 13 suffering from no Wi-Fi, grayed-out Bluetooth, or an intermittent cellular signal after a drop? This detailed repair guide walks you through the entire process of diagnosing and fixing these common issues on a dropped iPhone 13. We start by troubleshooting the symptoms: Wi-Fi and Bluetooth are unresponsive in Settings, the Wi-Fi address shows 'Not Available,' but the baseband IMEI is detectable. The teardown confirms it's the first time the phone has been opened. The repair focuses on the logic board, specifically the stacked (sandwich) board design common in modern iPhones. The core issue is found after carefully separating the upper and lower logic boards. We identify oxidized and blackened solder balls on the lower board's connections, caused by the impact of the drop. These faulty connections prevent the CPU from properly communicating with the Wi-Fi/Bluetooth and baseband components. The video demonstrates the meticulous process of cleaning, re-tinning, and reballing these solder points under a microscope. After precisely realigning and resoldering the two board layers, the phone is reassembled. The result is a successful repair: Wi-Fi and Bluetooth are fully functional again, the Wi-Fi address is restored, and all other features, including the camera and Face ID, work perfectly. This repair highlights a vulnerability of stacked logic boards in iPhones when subjected to physical shock. While newer models like the iPhone 14 and 15 have improvements, understanding this common point of failure is crucial. The video also sparks a conversation about iPhone durability over the years, from the iPhone 4s to the latest models. Remember, professional microsoldering skills are required for this type of repair. If your iPhone has similar issues, seek help from a qualified technician. #iPhoneRepair #iphone13 #LearnOnTikTok #PhoneRestoration #TechFix - @phonetalkzzz