OnePlus released December 2021 Security Patch for OnePlus Nord 2, along with further optimization on the system performance and behaviour of the device this update was released on 25th of December 2021, for India & Other Regions carrying A.15 Build, the update size is ~346 MB.
This update brings improvements in video stability in AI Enhancement mode, as well as brings a fix in Bluetooth devices where calls were unclear when connected.
OnePlus Nord 2 was released in July 2021 with Android 11, OxygenOS 11.3 out-of-the-box.
Previous Update: OnePlus Nord 2: December 2021 OTA Update with A.14 Build
The previous update had bought a few internal system bugs & fixes which occurred on various devices, It had been running on November 2021 Security Patch, the device has received two updates this month alone, the first was simple OTA, that had internal improvements, the new update brings latest security patch.
Just recently, the OnePlus 9 & 9 Pro, Got the latest android 12 builds with OxygenOS 12, they have mentioned the timeline we may expect the Other Older flagship & Nord Series will get. As per the OnePlus officials and community experts, Most devices will start the beta program in First Quarter 2022 and by the end or beginning of the 2nd Quarter, most devices will run stable Android 12.
OnePlus Nord 2 | Android 12 - Expected timeline 1st Quarter 2022

Source: Our own Twitter Profile – Updatifynow
| Android OS | Update | Release Date/Status | Estimated Months |
| Android 11 | Out-of-the-box | July 2021 | Nil |
| Android 12 | First OS update | Eligible | Expected 2022 |
| Android 13 | Second OS update | Eligible | Unconfirmed |
The OnePlus Nord 2 has been released with an Android 11 out-of-the-box. So, the upcoming Android 12 update will be its first major OS update.
It is also Eligible to be on the Android 13 update list as well. And it may probably be the last major OS update on the device.
The OnePlus Nord 2 will get two years of major Android upgrades and three years of security patches reportedly.
The OnePlus Nord 2 Software Update - OxygenOS 11.3 with A.15 update is an OTA update. So, it is expected to reach all the users soon.
Once it’s available on your device, you can head over to Settings >> About Phone >> Software Update section to update your OnePlus device with the update.
For more OnePlus Android updates please download our android app – available on the Play Store