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OxygenOS Roll back to Android 9 from Android 10

  1. sachitreddy
    Cupcake Jun 26, 2020

    sachitreddy , Jun 26, 2020 :
    Hello OnePlus Community,

    I am currently running Oxygen OS 10.0.0 or Android 10 on my device, could you please let me know on how to downgrade the OS to Android 9?
     

    #1