If there are problems with image stitching while using the Insta360 Nano S, you can use the auto-calibration function to adjust your camera.

1. 1. 1. Connect Nano S to iPhone -> open Nano S App.
   2. 2. Tap Setting -> Stitching Calibration.
   3. 3. Hold the the iPhone horizontally and follow the instructions as the app shown.
   4. 4. Start Auto-calibration and please avoid using moving object as a calibration reference.
   5. 5. Please avoid auto-calibrating in a place with simple color (white walls, blue sky, etc) when turning the iPhone.