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Sorry but I have seen many people complain that the sensor is not very good. And it should NEVER be used as a reliable medical tool, only as a guide at best. Also I never said I do not see ‘usefulness’ of a the feature, that is you assuming things, also you are again assuming claiming I am in good health, how do you know?
over the past 12 months or so I have done a half dozen comparisons while at the doctor taking a SpO2 reading and my AW was within 1% all the time, so I call that rather accurate ... still, it's not a medical tool as you say
 
Companies like Apple, Google, and Samsung use their patent portfolios as bargaining chips to essentially share or license technologies with each other. The difference with Masimo is that either they aren't willing to license their patent to Apple or they want an unreasonable price per unit for it and Apple isn't willing to agree to it.
Not that simple. If Jobs had lived, Apple would have never settled with Google and the associated handset manufacturers-- he would have taken that lawsuit all the way. He wasn't playing. And he was right to do so-- Google and their hardware partners basically stole the iPhone software/hardware.
 
Open the Blood Oxygen app on the watch and hit 'Start'.
It’s odd. It didn’t offer that option after doing the update to the watch and iPhone, but it’s the next morning and now it’s there. Thanks for replying anyway. I’ve got a USA S10 I bought while visiting and a UK iPhone.
 
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