Huawei G7-L01 Change Vendor and Upgrade to Marshmallow (Europe-Asia)

After lots of searches over internet finally i have found a way to upgrade Huawei G7-L01 asian and European variants. Currently there is no official marshmallow update for these both regions. But in this post i will guide how to convert your phone region to turkey and upgrade to marshmallow.

Note: This process will convert your asian/european phone vendor info to turkey, try at your own risk i am not responsible for any damages.

 

Steps to Follow (Revised 29-1-2017)

 

  1. Download turkey lollipop firmware from This Link
  2. Download turkish Marshmallow from This Post
  3. You must have SD card
  4. Backup important data.
  5. Root Your phone using kingo root.
  6. Enable usb debugging.
  7. Download OEM backup tool from THIS LINK
  8. Extract this tool and run “oembackup.bat ” it will backup your oem info to sd card. please copy this backup to your computer. (Very important  otherwise you lose imei)
  9. Now download turkey oeminfo file from THIS LINK
  10. copy this oeminfo to sd card
  11. install FX File Explorer &  FX File Explorer (Root Add-On)
  12. Open FX explorer “/system[root]/dev/block/platform/7824900.sdchi/by-name/ ” there you will see oeminfo file. you need to replace this oeminfo with turkey oeminfo that you downloaded before.
  13. Make dload folder on sd card, extract turkey lollipop and copy update.app to dload folder.
  14. Swicth off phone, and press 3 buttons (Volume up, Volume down and power) untill update starts.
  15. After update phone will ask for puk code, just cancel it don’t write any code.
  16. Your sim will not work, don’t get worried
  17. Now extract marshmallow firmware file, copy update.app to dload folder in sd card.
  18. Make sure USB debugging enabled
  19. Put phone in fastboot mode (switch off , hold volume down and connect with PC)
  20. Now unlock your bootloader with this command: fastboot oem unlock 7779533004996975
  21. Restart phone by typing fastboot reboot
  22. After that Instantly install marshmallow ,switch off phone and press 3 buttons (Volume up, Volume down and power) installation should start
  23. After installation again it will ask for PUK code, just cancel/close it. Still there will be no signals on your phone
  24. Root your phone, not with kingoroot (CLICK HERE FOR GUIDE)
  25. Once rooted
  26. Now lets restore signals, remember oem backup you made in step 8 ? copy that oeminfo file to sd card.
  27. install FX File Explorer &  FX File Explorer (Root Add-On)
  28. Open FX explorer and copy your original oeminfo file to this folder “/system[root]/dev/block/platform/7824900.sdchi/by-name/ ” it will ask to replace. you should press yes.
  29. and reboot. your signals will be back.
  30. if you face any bugs, just unroot your phone (Here is Guide)
  31.  Download vendor update file from This Link
  32. Extract downloaded file and copy “update.app” file in “dload” folder on your sd card. if dload folder is not there, you can create it by yourself.
  33.  (Switch off phone, then volume up , volume down & power press and hold them until you see update screen)

Originally this guide was posted on 4pda forum

Mutahhar Bashir

Passionate blogger, have excellent problem solving skills, quick learner, love to accomplish difficult tasks, improving my skills while helping others through this blog.

34 Responses

  1. med says:

    lollipop successful marshmallow faild

  2. med says:

    faild loading change rom europa hhhhhhh

  3. Med says:

    Update for change Europa?????????

  4. Hello Mutahhar
    To install G7-L01C464B530CUSTC464D004 TA.rar instead of last version, phone must have C464D004 custom number
    but vendor update file make C464D005 still the source of the problem ?

    Thank you

  5. Fabio Jorge says:

    I’ve followed all steps and faild on installing Lollipop or Marshmallow…

  6. abed says:

    Hello Mutahhar
    I’ve followed all steps and failed on installing Lollipop
    Build number:G7-L01V100R001C00B266

  7. Pekkiaman says:

    faild with europe (italia) firmware. I have tried start by b331 and b350.

  8. Bro my phone Huawei G7-L01B239 I want it update to marshmallow version .Plz help me bro

  9. Spilty says:

    I can’t make oeminfo backup (step 8), the tool seems unable to find file to copy… any fix?

  10. Spilty says:

    Hello Mutahhar Bashir, I have another problem.
    The code provided to unlock bootloader is not correct

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