For iOS, it does not allow the App to use the location service by "ALWAYS", but the Auto Unlock function requires the location service by "ALWAYS". Please follow the steps below to set up.
Step 1. Open the U-tec App, go to your Lock's Settings >> Auto Unlock, and begin to set up Auto Unlock. Please tap ”Allow While Using App” when the location window pops up.
Step 2. After setting up the Auto Unlock in the U-tec App, please go to iPhone Settings >> Privacy >> Location Services >> U-tec >> Always. Also, please enable the Precise Location option.
Related article: How to Set Up Auto Unlock for Ultraloq U-Bolt Series?
Related FAQs: Troubleshooting for Auto-Unlock feature