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A comment on The Apple Watch. Parent comment

Re:The Apple Watch by terrence_giggy on Wednesday September 10, 2014 @11:35AM (#8297054)
I would bet it is the cycling of GPS that the app is doing. If GPS is just left on, a battery can get burned through in a couple hours (for one of the newer iPhones, much less an older one). Those wacky readings are some of the initial results after GPS is cycled back on.

One might look for a higher power setting if you are doing an hour / half hour run and not concerned about keeping battery life up.

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Re:The Apple Watch by zimpenfish on Thursday September 11, 2014 @06:56AM (#8301841)
Moves is on "battery saving" mode (which actually makes little difference - I get bugger all life out of my phone anyway) but that doesn't really explain why it's just around the O2 it has serious issues - that's only about 2-3km out of the whole 30km walk.
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