Tilt & Grid Overlays
To help level and align your camera shots, the camera view includes tilt and grid overlays.
To use the tilt & grid overlays:
Tap the
icon on the Live or Record screen.Tap
Enable Grid Overlay and/or 
Enable Tilt Overlay.
Camera Actions Menu
Tap Done to close the actions menu.
Align the camera as needed.
Grid and Tilt Overlays on Live