[Firmware][8.1] OxygenOS Open Beta 17 [Oreo]

[AcmE85]

OxygenOS Open Beta 19 for the OnePlus 5 and Open Beta 17 for OnePlus 5T

ChangeLog

• System
  • Updated Android security patch to 2018.9

• Weather
  • Optimized UI for the Weather App

• OnePlus Switch
  • Added manual connection method if unable to connect switch with QR code on the old device
  • Supported backup and recovery for application data including the home screen, lock screen, and APP layout
  • Bug fixes and support for more Android models