OxygenOS for OnePlus 6 / 6T brings security patches and bug fixes for September 2021

XDA Developers

OnePlus released the first OxygenOS 11 stable update for the OnePlus 6 and 6T in August of this year. With this update, the device has moved to Android 11, including the July 2021 Android security patch and introducing some enhancements. However, users who have updated to this build have reportedly faced serious battery drain issues and other glitches on their devices. OnePlus is currently deploying another stable OxygenOS 11 update for OnePlus 6 and OnePlus 6T to address these bugs.

According to a recent announcement at the OnePlus Community Forum, OxygenOS has been rolled out to OnePlus 6 and OnePlus 6T as the latest stable release based on Android 11. This build addresses some of the bugs found in the original Android 11 update. Raise the security patch level for Android to September 2021.

OnePlus 6T OxygenOS OTA

Thanks to OnePlus community member Santosh PSK for providing the screenshots!

Here’s the complete change log for the latest OxygenOS 11 release for the OnePlus flagship from 2018:

  • system
    • Optimize system power consumption to reduce heating
    • Improved the sensitivity of the gyro sensor
    • Upgrade Android security patch to 2021.09
    • Improved system stability and fixed known issues
  • Communication network
    • Optimized network connection stability

OnePlus 6 Forum ||| OnePlus 6T Forum

Download: OxygenOS for OnePlus 6 / 6T

Like all OxygenOS updates, OnePlus will gradually roll out the latest OxygenOS 11 builds for OnePlus 6 and OnePlus 6T. This means that the new build will initially be delivered to a limited number of users and will have a wider rollout in the coming days. If you don’t want to wait for the OTA notification to pop up on your device, you can download the appropriate update package from the index below and install the update manually.

OnePlus 6

OnePlus 6T

After downloading, place the ZIP file in the root folder of your mobile phone’s internal storage. next,[設定]>[システム]>[システムアップデート]Go to and click the icon in the upper right[ローカルアップグレード]Access options. The update wizard must detect the OTA package and perform a flush operation.

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