The company starts rolling out the OxygenOS 5.1.11 OTA for the OnePlus 6, which weighs around 152MB. If you have not received the OTA notification, you can use Oxygen Updater app or use any VPN app and set the region to Canada or Germany to get the update right now without waiting for the OTA.

You can also download and flash the update manually. Check out our guide for downloading and installing latest OxygenOS 5.1.11 full OTA update file manually on the device. What’s new in this update?

How to Install OxygenOS 5.1.11 Update for the OnePlus 6

  1. Download OxygenOS 5.1.11 zip file from here and place it on internal storage of your device. Optimized network connection Optimized stability for Wi-Fi connection Fixed screen flickering issue in daylight General bug fixes and improvements Confirm pin without tapping the icon (Setting > Security & lock > PIN) Camera: Improved HDR mode
  2. Reboot the phone into stock Recovery (press Power + Volume Down buttons after switching off the phone)
  3. In recovery, wipe Cache
  4. Now, choose “Install from internal storage”, find your .zip file and flash it
  5. Your device will reboot automatically after installing the OS. [source]