OnePlus 8T and 9R receive OxygenOS C.15 update with March security patch

Yesterday, OnePlus released a minor OxygenOS update for the OnePlus 8 and 8 Pro. The same version is now rolling to the OnePlus 8T and OnePlus 9R. Yes, the new update is seeding with an updated monthly security patch, slow charging issue fix, a few optimizations, and fixes. If you’re a OnePlus 8T or OnePlus 9R user then you can upgrade your smartphone to the OxygenOS C.15 update. Read along to know more about the OxygenOS C.15 update for OnePlus 8T and 9R.

OnePlus is seeding the new software on the 9R with the LE2101_11_C.15 build number, while the 8T picks up the incremental upgrade with KB2001_11.C.15_1150_202204021905 firmware version. It is a minor upgrade measure under 300MB in size for downloading, you can quickly download it over cellular data or a WiFi network. The update is rolling in a staged manner and will be available to everyone within a few days, some users have already received the new firmware.

Since the last update, the OnePlus 8T and 9R owners face slow charging issues. Now the changelog of the new update hints at a fix for the slow charging issue, more stability while making phone calls, addresses not being able to use the face unlock feature, abnormal display issues in some scenarios, abnormal notifications when the camera is running, and a few more issues. You can also expect more stability on this version. The upgrade also brings March 2022 monthly security patch. Here’s the complete changelog.

OnePlus 8T & 9R OxygenOS C.15 update – Changelog

  • System
    • [Optimized] the charging speed in some scenarios
    • [Optimized] the communication stability when making a phone call
    • [Fixed] the occasional issue that unable to use face unlock
    • [Fixed] the issue of abnormal display when enabling applications in some scenarios
    • [Improved] system stability
  • Camera
    • [Fixed] the abnormal notification issue of “Camera is running”
  • Please do not turn off your device while the update is installing. During Installation you cannot use your device at all, even to dial 9-1-1

If you are a OnePlus 8T or OnePlus 9R owner, then you can check for the update from Settings > System > System Update. OnePlus also allows sideloading OTA updates if your device is running on the latest required version. So if you want to manually update your phone, you can download the OTA package from Oxygen Update or from the official OnePlus download page.

Before upgrading to the latest version, make sure to take a backup of your data and also charge your phone to at least 50%.

You May Also Like – Download Google Camera for OnePlus 8T

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Haneet Singh

Haneet is the Founder and Editor-In-Chief of YTECHB. He has a huge passion for tinkering with latest smartphones, wearables, smart home devices, smart TVs, and more. As an avid Apple Ecosystem user, he loves customizing his iPhone and iPad to suit his needs. For tips, you can connect Haneet at In 2019, Haneet and the YTECHB team exclusively shared the wallpapers of iPhone 11 right before the launch event. In 2020, Haneet alongside his team members shared exclusive renders and official photos of two Samsung Galaxy smartphones - the Galaxy M11, and Galaxy M21. Later, the YTECHB team leaks information about Motorola's feature phones and Razr 3. In the last few months, our team shared Galaxy S24 Ultra leaks and more. You may come across his work getting mentioned in The Times of India, India Today, Hindustan Times, NDTV, TechRadar, Digital Trends, Yahoo News, GSMArena, Android Authority, Android Central, Android Headlines, SamMobile, XDA, 9to5Google, and many other publications. He works across news, updates, features, guides, and more. If YTECHB writes about it, you can expect him to be involved in some way.

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