Downgrade Huawei P9 Lite from Nougat 7.0 to Marshmallow 6.0

1. Depending on your model, download Huawei P9 Lite Nougat rollback package which will change current software info to C900B300. This is a specific firmware key that allows to fully update the firmware to any other version.

  • Huawei P9 Lite L31
  • Huawei P9 Lite L21
  • Huawei P9 Lite L11

2. Depending on your model, download Huawei P9 Lite full OTA Software file. It will switching back Huawei P9 Lite to Marshmallow OS.

  • Huawei P9 Lite L31
  • Huawei P9 Lite L21
  • Huawei P9 Lite L11

 

3. Extract rollback package file to get dload folder and place it into microSD card.

4. Put microSD card into Huawei and turn off the device.

5. Now press Volume Up + Volume Down and Power Button all together. The rollback package flashing process will start automatically.

6. After it’s done, your firmware version should now be B300.

7. Erase microSD card and extract OTA Software file. Once again, you’ll get dload folder that must be placed into microSD card.

8. Repeat step 5 to downgrade Huawei P9 Lite from Nougat 7.0 to Marshmallow 6.0

That’s it! Enjoy your downgraded Huawei P9 Lite hopefully without any bugs.

9 comments

  • Mr zang

    August 17, 2019 at 6:58 am

    i think i just make mistake…i downgrade it and it become VNS-L31C900B160

    Reply

  • Mr zang

    August 17, 2019 at 6:27 am

    after i downgrade to marshmellow…i stuck at the checking info whenever i try to use any google app

    Reply

  • Orlando

    January 9, 2019 at 4:15 pm

    Cannot do step 9 because it wont update

    Reply

    • Admin

      January 15, 2019 at 9:09 am

      There’s no step 9 in this tutorial

      Reply

  • Namishu Chang

    December 18, 2018 at 2:08 pm

    After downgraded to 6. 0 I stuck at setup screen, couldn’t proceed to home screen. Help plsssss

    Reply

    • Admin

      January 8, 2019 at 8:15 am

      Hello Chang,

      Download HiSuite and follow device restore steps given by software.

      Reply

  • Walter Jayasinghe

    May 5, 2018 at 9:34 am

    I did it as you noted and it was successful ,Thank you very much.

    Reply

    • Siah Kean Boon

      June 18, 2019 at 6:46 pm

      How to do restore step?

      Reply

  • Jeremy

    April 8, 2018 at 6:51 pm

    thank you very much saved my live 🙂

    Reply

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