Factory resetting your Aura requires a few steps: first, dissociating the sleep sensor, then the Connected Alarm Clock, and lastly performing the factory reset sequence on the Connected Alarm Clock. Please carefully follow the steps below.

To dissociate your Aura sleep sensor and Connected Alarm Clock:

1. Open the Withings App.
2. Touch My devices.
3. Find Aura Sleep Sensor.
4. Touch Settings.
5. Tap Dissociate this product.
   
6. Tap Remove from my account.
   You will be taken back to the My devices screen.
7. Find Aura Connected Alarm Clock.
   
8. Touch Settings.
9. Tap Dissociate this product.
   
10. Tap Remove from my account.
    
11. Perform a factory reset of your Withings Aura.

To factory reset your Aura:

1. Rest your hand on the right side of your Aura bedside device for three seconds.
   The display will start blinking.
2. Tap the top of your Aura bedside device ten times before the display stops blinking.
3. The bedside device will then change color and reboot.
   Note: Do not remove the power supply until the bedside device has rebooted.
4. Go to the Bluetooth settings of your device and Forget/Unpair your Aura from the list of Bluetooth devices.