Guide on How to Upgrade Huawei P8 Lite to Marshmallow

Alright so I made this guide because I myself had problems finding the required files and upgrading to Marshmallow. So here you have it a step by step guide on Unlocking the Bootloader to Unbricking and Upgrading to Marshmallow. This guide covers it all.

Warning!

This guide is dedicated to the P8 lite ALE-L21. If you have a different phone model stop reading. This is tested by me so there should be no problems if you do everything right. I will not be responsible for destroying your phone. This will void your warranty. This is gonna take a lot of time, so have patience.

Things You Need:

  • Download and install Huawei USB Drivers Drivers (Hisuite)
  • ADB and Fastboot: Link
  • USB debugging should be enabled on your phone
  • Firmwares You Need
  • Firxmware 1
  • Vendor Files or Balong Fix: Link
  • B170 update: Link
  • Marshmallow Update or EMUI 4.0: Link

How To Unlock Bootloader:

Well first things first let’s unlock the bootloader
  • Step 1: Go to this site. Accept the agreement and make a Profile.
  • Step 2: Fill the form and you’ll have your code in a couple secs. If you get some weird error telling you to wait 14 days well you need to wait then and then fill the form again.
  • Step 3: Let’s assume you have the code save it somewhere safe.
  • Step 4: Connect your device to your pc
  • Step 5: Go to the folder where you extracted minimal adb and fastboot and run maf32.exe
  • Step 6: Type adb devices. It should ask for permissions on your device. Grant them. Make sure to check always allow from this pc.
  • Step 7: Type the following command:adb reboot bootloader
  • Step 8: Wait until Windows install the driver and then type:fastboot oem unlock xxxxxxxxxxxxx

(here x is your unlock code)

You have successfully unlocked your bootloader.

How To Change Region or Unbricking your Phone

This is a necessary step which changes the region of your phone so we can installmarshmallow. Can also Unbrick your phone.

Remember the Firmware 1. We’re gonna need that.
  • Step 1: Extract it to your desired folder.
  • Step 2: Connect your phone in Fastboot and run the “Flash all” script.
  • Step 3: Let the script run and that once done boot your phone. We’ll before you go into panic mode there is a fix for your sim not being detected. Remember the Balong Fix. Extract that and you’ll get a dload folder that contains an update.appfile
  • Step 4: Put the folder with the file in it on your sd card or internal memory.
  • Step 5: Go to “Settings -> Update”.
  • Step 6: Press the menu (at the bottom you will see 3 lines, that’s the menu).
  • Step 7: Choose “Local update”.
  • Step 8: Select “UPDATE.APP”.
  • Step 9: Press “Install”
Now you are 2 firmwares away from enjoying Marshmallow.

How To Update to B170

Download B170 file and extract it. You’ll get another dload folder with Update.app

Follow Step 4 to 9

How To Upgrade to Marshmallow

Extract the Marshmallow firmware and guess what you get another dload folder with Update.app

Follow Step 4 to 9.

you now have marshmallow. Enjoy.

If you happen to get OTA’s download and install them from your phone when you feel like it.

Having issues? Contact us and we’ll be happy to solve them.
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