The OTA (over the air) update is rolling out now. You may need to wait a few hours or sometimes even a few days to get the update notification on your device. You can download OxygenOS 9.0.4 and OxygenOS 9.0.12 OTA update for OnePlus 6 and 6T from the link below, if you go for manual installation.

OxygenOS 9.0.4/ 9.0.12 Changelog: – Updated Android security patch to 2019/01 – Optimizations for screen display – Deep integration with Google Duo – General bug fixes and software improvements If you would like to download and install the OxygenOS 9.0.4/ 9.0.12 stable update manually on your OnePlus 6/6T, then below is the download link and installation guide. Backup important data before installing the update.

Download Oxygen OS for OnePlus 6/6T

If you prefer manual installation, you can download the OxygenOS stable ROM full firmware from below. OnePlus 6: OxygenOS 9.0.4 for OnePlus 6 [HERE] OxygenOS 9.0.3 for OnePlus 6 [HERE] OxygenOS Open Beta 12 for OnePlus 6 [HERE] OnePlus 6T: OxygenOS 9.0.12 for OnePlus 6T [HERE] OxygenOS 9.0.11 for OnePlus 6T [HERE] OxygenOS Open Beta 4 for OnePlus 6T [HERE]

How to install OxygenOS Stable update manually on OnePlus 6/6T

Manual installation of OxygenOS stable update on OnePlus 6/6T is a very simple process. After downloading the file, all you need to boot your phone into recovery mode to flash the firmware update.

With Stock Recovery and Locked Bootloader:

  1. Download OxygenOS stable update for your device from above
  2. Save the full OTA update zip file on your phone’s storage
  3. Power down the phone, and then boot it into recovery mode by using Volume Down and Power button combination.
  4. In recovery, choose “Install from internal storage”, find your .zip file and flash it. Your device will reboot automatically after installing the OS.

With Unlocked Bootloader and TWRP Recovery

  1. Download OxygenOS stable update for your device from above
  2. Save the full OTA update zip file on your phone’s storage
  3. Boot your device into TWRP, tap Wipe > Advanced wipe > Select dalvik-cache, cache, system, vendor and data> Swipe to wipe
  4. Return to main TWRP menu, select Install > ROM zip file > Swipe to flash
  5. After flashing the ROM, select Reboot > Advanced Reboot > System. It will take a couple of minutes to complete the boot.