Early leaked flash files for the LG Wing did not have the correct gyroscope calibration for the swivel action. Users reported that the screen would go black when swiveled open.
Use this to update the OS without losing personal data (not recommended for fixing serious software bugs). Start the Flash: lg wing flash file better
The standard LGUP often fails; use the Patched v1.16 or higher to support the Wing's dual-screen architecture. Early leaked flash files for the LG Wing