It seems like my 5S is consistently off by the same amount (about 3°) in the same direction. Seems to me like a software fix will be possible. I have two years

It seems like my 5S is consistently off by the same amount (about 3°) in the same direction. Seems to me like a software fix will be possible. I have two years warranty, so I’m not too worried at this point, only slightly annoyed.