iPhone 5s motion sensor issues verified through tests

There have been reports of the iPhone 5s motion sensors showing incorrect values — one particular MacRumors thread goes on for 20 pages — and today Gizmodo demonstrated that the sensors are off when compared to a level. The report found the gyroscope was a few degrees off, and that the compass on the iPhone 5 had a “more accurate measurement” compared to the 5s.


In confirming the findings, we found similar issues when testing the iPhone 5s sensor in multiple phones: measurements were two to three degrees off, in both portrait and landscape mode, and when the iPhone 5s was placed flat on an even surface. It’s unknown at this point whether the issues are hardware- or software-specific, and whether an iOS update will correct them.

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