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Answered Downgrade to Android 11 to Android 10 via OnePlus 8

  1. Nag4mopidevi
    Cupcake Sep 8, 2020


    #1
    B1594291479442 likes this.
  2. fazerboy0_3
    Honeycomb Sep 8, 2020

  3. Gav_W86
    Starting Point Expert Community Expert Sep 8, 2020

    Gav_W86 , Sep 8, 2020 :
    as per the release post:
    DP to MP rollback guide - via Local OTA update
    Note: This upgrade method will erase all the contents of the phone, please be sure to backup first.

    1. Download the latest ROM upgrade zip package from the specified server.
    2. Copy the Rollback package to the phone storage.
    3. Go to Settings -> System -> System Updates -> Click top right icon -> Local upgrade -> Click on the corresponding installation package -> Upgrade -> System upgrade completed to 100%.
    4. After the upgrade is complete, click Restart.
    5. Update successful.
    Download links for OnePlus 8:
     

    #3
    Miloboy05 likes this.
  4. T1599739732117
    Cupcake Sep 11, 2020


    #4
  5. mojoyoyo77
    Assistant Head Moderator Assistant Head Moderator Sep 11, 2020


    #5
    NstyN8te likes this.
  6. tarun2111
    Cupcake Oct 30, 2020


    #6
  7. sanjushinejy
    Cupcake Oct 31, 2020


    #7
  8. KakaruPilot
    Cupcake Nov 3, 2020

    KakaruPilot , Nov 3, 2020 :
    If I downgrade will it wipe all of my current user settings/current profile? Or will it just be an in place downgrade just as the upgrade was?
     

    #8
  9. Artemus.
    Community Hero 2020 Nov 3, 2020

    Artemus. , Nov 3, 2020 :
    It'll wipe everything.
     

    #9
  10. Gav_W86
    Starting Point Expert Community Expert Nov 4, 2020

    Gav_W86 , Nov 4, 2020 :
    downgrades always wipe the device.
     

    #10
    Steuuplait likes this.
  11. xvl260
    Eclair Dec 1, 2020

    xvl260 , Dec 1, 2020 :
    Can you provide the downgrade files for the OnePlus 8 Pro IN2025 version to Build number 10.5.6? Thanks.
     

    #11
  12. Gav_W86
    Starting Point Expert Community Expert Dec 1, 2020

    Gav_W86 , Dec 1, 2020 :
    see post 5 above for rollback links
     

    #12
  13. shwongdi
    Honeycomb Dec 21, 2020

    shwongdi , Dec 21, 2020 :
    Hey, so I just used the link to downgrade my OP8 to OS10 but somehow after downloading it shows that it's on version 10.5.8. Why is that happening? I thought this link was for 10.5.11 which was the last stable version? How can I change it to 10.5.11??
     

    #13
  14. Gav_W86
    Starting Point Expert Community Expert Dec 21, 2020

    Gav_W86 , Dec 21, 2020 :
    the rollback is to whatever version was the version to rollback to at the time of build. you would then need to manually upgrade
     

    #14
    Artemus. likes this.
  15. shwongdi
    Honeycomb Dec 21, 2020

    shwongdi , via OnePlus 8 , Dec 21, 2020 :
    Yeah I had to download a file for the 10.5.10 OTA manually. As far as I remember the last stable version of OS 10 was 10.5.11IN21DA for the Indian variant of op8. If you or anyone else have a manual file link for that ota and can give it it'll be sweet bro!
     

    #15