Huaqiangbei Technicians Reportedly Add Physical SIM Slot to iPhone Air via Board-Level Retrofit
Online videos since Jan. 22 suggest Shenzhen’s Huaqiangbei technicians have modified Apple’s iPhone Air to support a physical SIM tray by machining the motherboard and replacing the Taptic Engine with a custom component. If accurate, the development highlights the sophistication and speed of China’s aftermarket hardware ecosystem in addressing regional device configuration constraints such as eSIM-only models.