iPhone 5s devices appear to be reporting inaccurate information through the compass and inclinometer apps, reports Gizmodo and Cult of Mac.
The compass appears to be off by 8-10 degrees, while the inclinometer is consistently incorrect by 2 degrees on level services.
There is a twenty-page thread on the MacRumors forums with readers reporting similar experiences with the compass and level on the iPhone 5s, as well as a number of threads on the Apple Support website...
Read the full story here... Source: Mac Rumours