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OnePlus 8/8 Pro, and 8T ColorOS 12: Open Beta 3 rolling out several fixes [C.12 & C.16]



OnePlus kicked off the Android 12-based ColorOS 12 Open Beta program in China for its oldest flagship OnePlus 8 and 8 Pro phones earlier this month. In January rolled out the open beta 1 of ColorOS 12 for the OnePlus 8 series, introducing a handful of important system fixes and optimizations. It doesn’t bring a new security patch with this beta version.

OnePlus 8 and 8 Pro ColorOS 12 Open Beta

March 10th, 2021 – Open Beta 3

Today, OnePlus has started pushing the Android 12-based ColorOS 12 Open Beta 3 for OnePlus 8, OnePlus 8 Pro, and OnePlus 8T. The update carries build number C.12 for OnePlus 8 series while the OnePlus 8Tgets on C.16 and it fixes the system and connection issue. You can see the full changelog below…


  • System
    • [Optimized] The system performance of some scenarios makes your phone run more stably [Optimized] In some scenarios, the multitasking background application exits abnormally
    • [Fix] Probabilistic face unlock failure
    • [Fix] Some third-party apps set dark mode invalid
    • [Fix] Incomplete display of desktop weather MD5
  • Connect
    • [Fix] The saved WLAN cannot be automatically connected
    • [Fix] After connecting the Bluetooth headset in a specific scenario, the headset is silent

February 18th, 2021 – Open Beta 2

OnePlus is rolling out ColorOS 12 Open Beta 2 update for the OnePlus 8 and OnePlus 8 Pro in China with OTA C.11. It fixes the system, application, camera, and several issues.

  • System
    • [New] Low-brightness and no stroboscopic eye protection function
    • [Optimized] The system performance of some scenes makes your phone run more smoothly and stably
    • [Optimized] Charging speed in some scenarios
    • [Fix] Abnormal battery display in charging scene
    • [Fix] The date display on the lock screen is incomplete
  • Communication
    • [Fix] 5G network signal is unstable in some scenarios
  • Camera
    • [Fix] The camera crashes probabilistically in some scenes
  • Application
    • [Fix] After connecting to bluetooth in Honor of Kings, the audio is output from the speaker

The ColorOS 12 Open Beta 2 update for the OnePlus 8 and OnePlus 8 Pro is currently being rolled out via OTA to users who are already on the previous build. Where as the, users on the stable channel can also install this update by downloading the appropriate file from the OnePlus Community.

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