My iphone 6s GPS has stopped functioning. It finds my location only when I stand still, and then it only has an accuracy of 65m. When I try to drive with it, it keeps thinking I am pointing the opposite direction than I am driving and it also only tracks me for a few seconds and then assumes I am standing still. This happens especially when I am moving at greater speeds such as the highway. I tried restoring my phone to factory defaults, I replaced the top left spaghetti monster looking antenna but no improvement. All the guides and forum posts I could find were always about the iPhone 6 which had a different antenna layout so they were of little help. Does anyone have the same issue? Or knows a fix?