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Facing the issue of downgrading is in my Op 7T Indian variant via OnePlus 7T

  1. Sunny4415
    Cupcake Feb 19, 2020

    Sunny4415 , via OnePlus 7T , Feb 19, 2020 :
    Hello Everyone,

    I bought the OP 7T in the month of Decemver. Since then I am using it very well. But when it comes to updating the otas' , I am using the Oxygen updater which works fine for installing the recent updates.

    But the problem here is that I am unable to check the changelog. So I decided to downgrade os from the current one to 10.0.6 but the system fails to do so displaying the error that I can't downgrade. Can anyone please let me know the process of downgrading the os so that I can install the updates using the system updates option itslef
     

    #1
  2. Wineklek
    Eclair Feb 19, 2020

    Wineklek , Feb 19, 2020 :
    use msmdownloadtool or flashboot rom (you need unlock bootloader to do this)
     

    #2
  3. Sunny4415
    Cupcake Feb 21, 2020


    #3
  4. Wineklek
    Eclair Feb 21, 2020

  5. Sunny4415
    Cupcake Feb 22, 2020


    #5
  6. Wineklek
    Eclair Feb 22, 2020


    #6
  7. Aliensmille
    Froyo Feb 22, 2020


    #7
    Liehjan likes this.
  8. Sunny4415
    Cupcake Feb 22, 2020

    Sunny4415 , Feb 22, 2020 :
    Sorry Allien,

    I am confused a little bit, Do I need to unlock the bootloader for installing the 10.0.4 or not because in the link that you have provided previously, it was mentioned that the bootloader has to be unlocked.
     

    #8
  9. Aliensmille
    Froyo Feb 22, 2020


    #9
  10. Sunny4415
    Cupcake Feb 22, 2020

    Sunny4415 , Feb 22, 2020 :
    ok sure I will try either one of the process and let you know.

    Thanks a lot Buddy.
     

    #10
  11. Sunny4415
    Cupcake Feb 22, 2020

    Sunny4415 , via OnePlus 7T , Feb 22, 2020 :
    Hello Buddy,

    Could you please let me know whether I need to download and consider only 10.0.4 or can I take any stable build in doing so and do I need to keep the ROM file in the mdm tool folder after archiving or isn't it necessary
     

    #11
  12. Aliensmille
    Froyo Feb 22, 2020


    #12