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Apple does the same thing with the ECG feature - it’s frustratingly disabled on my Apple Watch for regulatory reasons based on region.

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They tell you up front though, as far as I know they’ve never sold a health sensor into a country and then disabled it later, which is what it sounds like parent comment is describing

I have a Samsung Galaxy S8+ I used the SPO2 sensor all the time. Then I think it was last year (2019) when it was removed without warning. But like I said Samsung probably buried that info in 5000 lines of an update notification.

I can understand new devices being sold would not have the device enabled due to some patent or legal issue. But to have Samsung disable a physical device on a two year old phone is frustrating. I bought the phone I own it Samsung shouldn't allowed to do such a thing or at least make it more obvious and give the option to opt out of the change.

Thats because of legal reasons. ECG is a medical feature that most countries require meets medical accuracy standards which it likely does not in many countries.

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