Nuki uses the location of your smartphone to detect when you leave your home: The operating system detects the position of your phone. When you approach your home again, it activates the Nuki app. The Nuki app now scans for your Smart Lock via Bluetooth and unlocks your door for you when you reach the door. Here you can read how Auto Unlock works in detail.
First steps to improve the quality of Auto Unlock
Update your Smartphone
Make sure you have the latest iOS version or Android installed on your smartphone.
Update your Nuki app
Make sure you have installed the latest version of the Nuki app.
Reset Auto Unlock
1. Disable all Smart Actions
2. Restart your smartphone
How to restart your iPhone
3. Re-enable Auto Unlock
Check how to improve the quality of the Auto Unlock.
Follow the suggestions explained in this article and test the Auto Unlock for a couple of days.