What specific features are disabled in Ultra Low Power Mode on the Apple Watch Ultra 2

Features Disabled in Ultra Low Power Mode

1. Always-On Display: The watch's display will not remain on, which helps save battery.

2. Heart Rate Monitoring: Background heart rate measurements and notifications for irregular rhythm, high heart rate, and low heart rate are disabled.

3. Blood Oxygen Monitoring: Background blood oxygen measurements are also turned off.

4. Workout Reminders: The automatic start workout reminder feature is disabled.

5. GPS Frequency: GPS updates occur less frequently, which can lead to less accurate tracking during activities.

6. Connectivity: Wi-Fi and cellular connectivity may be limited. Incoming calls and notifications are not received in real-time when the iPhone is not nearby, and the watch will only fetch notifications periodically.

7. Background App Refresh: The frequency of background app refreshes is reduced, which can impact the timely updating of apps and complications.

8. Siri Functionality: Siri may take longer to process requests due to reduced performance capabilities.

9. Animations and Scrolling: Some animations and scrolling may appear less smooth, reflecting the reduced processing power.

10. Emergency Alerts: Timely emergency alerts may not be received, as notifications are delayed.

Summary

Overall, Ultra Low Power Mode is designed to maximize battery life while sacrificing many of the watch's advanced features and functionalities. Users should consider these limitations when deciding to activate this mode, especially during activities where accurate tracking and timely notifications are critical.