[C.41] T-Mobile OnePlus 8 and 8T Get OxygenOS 12.1 update

OnePlus has already announced the release of the OxygenOS 12, based on Android 12, for its flagship smartphones of 2020, OnePlus 8, OnePlus 8 Pro and OnePlus 8, as well as for OnePlus 9R.

After a long wait, T-Mobile finally released OxygenOS 12 update for the OnePlus 8 and OnePlus 8t. The update build number for the OnePlus 8 is IN2017_11_C.41, while for the OnePlus 8T update is KB2007_11_C.41.

Updated – C.16 (April 24th)

OnePlus is rolling out new OxygenOS 12 build for OnePlus 8 and OnePlus 8T smartphones, the update comes with build C.16 stable and optimizes the power consumption in some scenarios, improved battery life performance.

What’s New

  • System
    • [Optimized] the power consumption in some scenarios, improved battery life performance

Original Story – (April 19t)

OnePlus has just released a OxygenOS 12.1 C.15 for OnePlus 8/8 Pro and OnePlus 8T. This is the major OxygenOS update for the OnePlus 8 Series. The update is currently being released for those who had already installed the Android 12-based OxygenOS 12 stable of the latest OTA in Europe and will soon be extended in more markets.

OnePlus 8T/8/8Pro OxygenOS 12.1 C.15 EEA

For the OnePlus 8 series there are several new features with the OxygenOS 12.1 and Android 12: in addition to the optimizations for the user interface and graphics, we find new customization options for the Dark Mode, new information provided by Shelf, a new gesture for managing the images with the Gallery app and other minor news. Find the complete changelog at the end of this article.

What’s New

  • System
    • Optimized desktop icons with improved textures, by using a design inspired by brand-new materials and uniting lights and layers
    • Fixed the issue that background applications are abnormally closed in specific scenarios
    • Fixed the issue with lens permissions when using third party camera applications
    • Fixed the issue of screen cannot respond when receiving notifications
  • Dark mode
    • Dark mode now supports three adjustable levels, bringing a more personalized and comfortable user experience
  • Shelf
    • New additional style options for Cards, making data contents more visual and easier to read
    • Newly added Earphone Control Card with Bluetooth earphone one-click adjustment
    • Newly added access to OnePlus Scout in Shelf, allowing you to search multiple contents on your phone, including Apps, Settings, Media Data, etc
    • Newly added OnePlus Watch Card in Shelf, to easily glance at your health stats
  • Work Life Balance
    • Work Life Balance feature is now available to all users, allowing you to effortlessly switch between Work and Life mode via quick settings
    • WLB 2.0 now supports automatic Work/Life mode switching, based on specific locations, Wi-Fi network, and time, also bringing customized App notification profiles according to the personalization
  • Gallery
    • Gallery now allows you to switch between different layouts with a two-finger pinch gesture, intelligently recognizing the best-quality pictures, and cropping the thumbnail based on the content, making the gallery layout more pleasing
  • Canvas AOD
    • Canvas AOD brings you new diverse styles of lines and colors, for a more personalized lock screen experience with inspiring visuals
    • Newly added multiple brushes and strokes and support for color adjustment
    • Optimized software algorithm and improved face recognition to better identify the features and skin color of different figures
[C.41] T-Mobile OnePlus 8 and 8T Get OxygenOS 12.1 update


  1. Maybe in india and USA. Im reading articles like this 1 more than month and EU still dont get any ota. Oneplus is ruined by oppo.

    1. Its absolute trash app with india builds, which only bug everything in EU models. Oppo takes control on OP and its end of this brand. Instead Never settle is better Never ever. Better to buy iphone instead this laged, buged trash phones.

  2. I’m also a oneplus 8 user my phone build number is in2015_11 but I didn’t received any ota after oxygen os 12_c11

  3. I am going sell my one plus 8 t because battery drain lagging and issue,worst updates i am not getting proper updates

  4. It is shameful for OnePlus to hear all this talk about its new update, and it remains silent. This is an indication that the company is completely bankrupt.

  5. Me and my cousin have same mobile i.e.,oneplus 8t.He got the Android version 12 but i didn’t dot the Android version 12,may I know the reason why I didn’t got the Android version 12 to my mobile

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