So: develop the calibration app; install the calibration app; run the calibration app.
Simple as that: bisch Bosch basch.
Balance problems plaguing the iPhone 5S popped up with the first reviews. But a teardown by Chipworks and the musings of an iOS dev have isolated a likely reason why the steering on that motor racing app is about 5 degrees off. It's all down to a replacement accelerometer which lacks the accuracy of its forebear. Although …
It would also require an OS update, since every app using inclinometer data would want to receive calibration-adjusted data.
But if you're spending a large amount of cash on a premium device, you'd naturally expect HQ components to be used, and any such calibration to be done at the factory.
Or am I being picky?
The power consumption difference for the phone overall will be so minimal with this part it seems highly unlikely to be that reason. More likely cost, or the required voltage - if they don't need 2.5V anywhere else there may be another component saved, or it might make routing the PCB easier etc.
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Oh I dunno, I know a low-tech solution which seems to do it for me on a Friday night, although often by more than 5 degrees...
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Nah, I don't think it's the fanbois downvoting, so much as the terminally bored. That's an old, old line now. After all, you felt the need to use the joke alert icon on your post - which is almost as bad as laughing at your own jokes when no-one else is...
Personally I was hoping that the story was going to be Apple had installed the sensor upside down. After all, various rocket makers have, so I don't see why they shouldn't be allowed to join the fun.