sza macrumors 6502a Original poster Dec 21, 2010 609 995 Sep 14, 2017 #1 Tracking-only mode (no gps, no push notification etc.) may improve battery a lot. Apple should support it and add sleep tracking ability out of the box.
Tracking-only mode (no gps, no push notification etc.) may improve battery a lot. Apple should support it and add sleep tracking ability out of the box.