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How to Update Huawei P9 to Nougat 7.1 Lineage OS 14.1 Custom ROM.




Add to Flipboard Magazine.  May 07, 2017 by Android Custom ROM Fix

 LineageOS is one of the most popular custom ROMs available. It was formerly known as CyanogenMod. People love LineageOS as much as they loved the CyanogenMod. LineageOS is available for the Huawei P9 and as well as hundreds of other Android devices. LineageOS comes with regular updates which keep your phone secure and up to date with the latest version of Android. Regular updates also ensure minimum bugs and new features. This guide will help you to install the LineageOS based ROM with Android 7.1 Nougat on Huawei P9.


Don’t Worry We Are Going to share Step by Step Guide to Safely install Lineage OS 14.1 on your Huawei P9.

÷ Prerequisites:

•This tutorial is only for installing Android 7.1 LineageOS ROM on Huawei P9. Please do not try on any other P9 variants.

•Your phone should have a custom recovery installed in order to install this LineageOS ROM on your phone.

•Your phone should be rooted in order to install this LineageOS ROM on your phone.

•This tutorial will wipe out all your data. Make sure you backup all your data in your phone before proceeding.

•Perform a Dalvik Cache wipe before proceeding from the Recovery Mode.




*Disclaimer:

Android Custom ROM fix ® provide various Firmware Updates and Rooting process along with Custom ROM,Modes,file are all belong  to their owners/developers. The autor of this site or the developers are not responsible,  if you damage or brick your device.Do it on your own risk and follow the instruction properly.

* Important:


Backup important files stored on your device before proceeding with the steps below, so that in case something goes wrong you’ll have backup of all your important files.



÷ How to Update Huawei P9 to Nougat 7.1 Lineage OS 14.1 Custom ROM:

»1 – Download Android 7.1 LineageOS ROM for P9 to your computer.

» 2 – Connect and mount your Huawei P9 USB memory to your computer using the USB cable.

» 3 – Now copy/paste the downloaded Android 7.1 ROM zip file to your phone memory / SD card. Make sure the file is in the phone memory / SD card root (not in any folder).

»4 – Then turn OFF your phone and disconnect from the USB cable.

»5 – Now to get in the Recovery Mode. Switch ON the phone while pressing and holding Volume Down + Power buttons together.


»6 – Once you are in TWRP Recovery, perform a full data wipe by tapping on the ‘Wipe’ button. Then swipe on the “Swipe to Factory Reset” option at the bottom.

»7 – Now go back to the main menu and then tap on the ‘Install’ button. From the list, choose the ZIP file that you copied to your phone memory in Step 3.

»8 – Confirm installation on the next screen by swiping on the “Swipe to Confirm Flash” option. The installation procedure should start now.

»9 – Once the installation is completed.

»10 – Tap on the “Wipe cache/dalvik” button if you get into any boot loops or other issues.

» 11 – You can now reboot your phone by selecting the “Reboot System” button.

Your Huawei P9 will boot now and it might take about 5 minutes to boot on your first time after flashing a new ROM. So, please wait.





That’s it! Your Huawei P9 should now have Android 7.1 LineageOS Nougat custom ROM installed! Go to Settings > About phone to verify.



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Comments

  1. Hi,
    Thank you for this guide, can you please add links that explain how to install custom recovery, and how to root this phone?
    And also does this version works with any p9?
    Best

    ReplyDelete
    Replies
    1. » How to Install TWRP Recovery on Huawei P9 : 👉
      https://forum.xda-developers.com/p9/development/wip-twrp-support-t3372331

      » How to Root Huawei P9 :👉

      http://androidcustomrom1.blogspot.com/2017/04/how-to-root-huawei-p9-on-android-70.html?m=1

      Best Regards😄

      Delete
    2. Hi Adam, I'm sorry for the bother but I tryed and faild to follow the instractions. what should I do first? I manage to unlock the bootlooker but I can't get the TWRP install, or at least can't get it to reboot in to the recovery mode. what am I doing wrong. Can you please help??

      Delete
    3. *bootlooker = bootloader

      Delete
  2. I'll try to explain myself better. after I unlock the bootloader, I installed the TWRP by downloading the zip file on the manual (this one https://forum.xda-developers.com/p9/how-to/guide-root-huawei-p9-t3367800), then I unzipt it and run the .bat file as instracted. Afther a reboot I copied the SUPER SU zip file to my internal memory, then I tried to enter TWRP by turning off the device, and turn it on by pressing volume up, but all I got is the huawei recovery mode that alow me to reboot or shut it down. Any idea what can I do??
    Thanks

    ReplyDelete
    Replies
    1. OK.

      1- Download the TWRP fastboot image from the Downloads section and transfer it to the same folder where you have installed ADB & Fastboot files. Rename it to twrp.img for your convenience.

      2- Connect your device to the PC.

      3- Navigate to the folder where you’ve extracted the ADB and Fastboot files and open a command prompt by pressing Shift + Right click on any empty space inside the folder and select Open command window here from the context menu.

      3- Use the below command to reboot your device to bootloader/fastboot mode.

      adb reboot bootloader

      4-In fastboot mode, use the below command to check if your device is connected or not. It should return your device serial number if everything’s good.
      fastboot devices

      5- Now, flash the TWRP recovery on your device with the below command.

      fastboot flash recovery twrp.img

      6- Don’t reboot your device now. Just enter the recovery mode from here.

      7- Once the recovery is flashed, remove the battery from the device and reinsert it. Press and hold the Power+Volume Down buttons until Huawei logo appears.

      8- Then release the power button for a second before holding it again to enter TWRP recovery.

      9- In TWRP recovery, it will ask you if you want to enable system modifications. Make sure to swipe to allow modifications or TWRP will be replaced in the next boot.

      10- Perform a factory reset by using the “Format Data” option under the Wipe menu in order to disable device encryption.

      11- From the TWRP main menu, reboot the recovery.
      Once you’re in TWRP again, copy the SuperSU zip to your device using MTP mode. At this step, don’t try to reboot your device or you’ll end up in a boot loop.

      12- In TWRP, click Install and flash the SuperSU zip that you’ve downloaded to permanently root your device.

      Finally, you can reboot the device from TWRP main menu.
      That’s it. You’ve successfully installed TWRP and rooted your Huawei P9.

      Best regards.

      Delete
    2. Thank you so much! quick question just to make sure, I'm downloading the TWRP form their official site? (this one https://twrp.me/devices/huaweip9.html). And How do I know where I installed the ABD and fastboot files?

      Delete
    3. Maybe I didn't install the ADB & Fastboot files curectly? I have downloaded the SDK tools from this site https://developer.android.com/studio/index.html
      from the windows version from the "Get just the command line tools" section at the buttom of the page. I got a zip file which I have extracted to folder within a folder named "tools" inside I see different files non of them called ADB or Fastboot. Should I copy the TWRP file into this folder?

      Delete
  3. And few more - hopefuly my last ones, in section 4 in your response you wrote "In fastboot mode, use the below command to check..." to which commend you mean?
    I tried to skip to section 5 and entered the commend. I got this text:

    "C:\Users\niv\Downloads\sdk-tools-windows-3859397\tools>fastboot flash recovery twrp.img
    target reported max download size of 471859200 bytes
    sending 'recovery' (22462 KB)...
    OKAY [ 0.718s]
    writing 'recovery'...
    OKAY [ 0.175s]
    finished. total time: 0.893s

    Let's say I got it all right, How do I enter the recovery mode from here without rebooting?

    ReplyDelete
  4. And one lasr thing, on my Huawei p9 there is no option to remove the battery as you suggested at section 7

    ReplyDelete

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