Note: The steps to activate the mobile WiFi function are as follows: 1. The power button is black when the device is switched off. 2.Press and hold the power button until the blue light illuminates. 3. Briefly press the button twice; the blue light will then flash green. Once the green flash appears, the mini camera's WiFi function is activated. Our 1080P/4K resolution WiFi APP software is distinct from others; the corresponding APP QR code is provided in our instruction manual.