If you want to hard reset Argus Eco series, please check the following steps.
Applies to: Argus Eco, Argus Eco Ultra
Here is a video for your reference:
Step 1. Power ON the camera by turning on the power button.
Step 2. Insert the reset needle into the reset hole of your camera.
Step 3. Press and hold for several seconds until you hear the prompt “Please release the reset button” or a short beep music.
Step 4. Done! You've successfully factory reset your camera.
After reset, your camera will return to factory defaults (including the password). Please run Reolink App, scan the QR code and configure the camera again.
Argus Eco Ultra/Argue Eco Pro
Step 1. Press and hold the power switch for two seconds to power on the camera.
Step 2. Press the button 3 times in a row when the camera is on. You will hear a short beep music.
Step 3. Done! You've successfully factory reset your camera.