[Firmware][8.1] OxygenOS Open Beta 18 [Oreo]

[AcmE85]

OxygenOS Open Beta 18 for the OnePlus 5 and Open Beta 16 for OnePlus 5T

ChangeLog

• Camera
  • Fixed beauty mode (now applies to photos from the rear camera)
  • Improved stability of portrait mode for the front camera

• Weather
  • Improved stability of the Weather app

• System
  • General bug fixes and improvements