The Android One UI is great because it offers a light system which can smoothly run even when complex apps and processes are initiated. However, if you want to test something new and if you want to add a personal touch to the Android OS that runs on your Nokia 8 Sirocco you will have to replace the stock firmware with a custom ROM software. And, in that regard the latest release of AOSP might deliver the things that you might be looking for.

Well, this update tutorial will explain the steps that must followed if you want to install the AOSP ROM on your Nokia 8 Sirocco and the other details that should be checked first: the advantages of using a custom ROM, the risks implied and the essential pre-requisites that should be first checked out.

Of course, this AOSP build is based on Android 9.0 Pie, so by setting it up you will also be able to enjoy everything that comes pre-loaded on the latest Android system. We’re talking about the main features and about the main Android functionality along with a clean and fast environment. AOSP isn’t bringing bloatware or other programs that might slow down your Nokia 8 Sirocco, so from this perspective you have nothing to be worried about. Moreover, the software is fully stable thus everything will smoothly run all the time. And for those of you who are already thinking about tweaking opportunities, there are various customizations and optimizations solutions provided by the AOSP platform.

Bottom line, with this Android 9.0 Pie based ROM your Nokia 8 Sirocco will run perfectly, without causing unexpected bugs, lags or other software related issues. And you can find more about this AOSP release here – by the way we must thank those of xda-developers for this update opportunity because they are the ones who made everything possible.

So, you’re not going to use an official Android update. The AOSP firmware is developed by third party devs and cannot be associated in any manner with Nokia or with Google. That’s why you are going to lose your Nokia 8 Sirocco warranty if you choose to apply the flashing steps from below. Don’t worry, if needed the warranty can be restored – in that regard you will have to reinstall the stock Android OS on your smartphone.

An unofficial version of Android 9.0 Pie can be successfully installed only in certain conditions. In our case you can complete the guidelines from below only if your Nokia 8 is running on an unlocked bootloader. Additionally, a custom recovery image must run on your phone – TWRP recovery is maybe the best choice in that regard.

As you will see by yourself, during the update procedure a hard reset will be initiate – that’s needed because the AOSP custom ROM can run only if a clean install is completed. So, if you’re not taking precaution measures you can end up in losing important data – basically everything that wasn’t there by default: contacts, call logs, texts, images, videos, audio files, market apps, internet settings, calendar info, saved passwords, IMEI / NVRAM data and so on. Thus, complete a backup before doing anything else – there are pre-installed cloud storage services that can be already used on your Nokia 8 Sirocco and additionally you can sync files with your Google Account, you can use an external storage device or you can just use backup and restore apps from Google Play.

Since you’re going to use a custom ROM which might or might not run as you expected, a good idea is to save the currently Android OS that runs on your smartphone – and that can be done easily by making a Nandroid backup. In the end, flash the Nandroid backup package for going back to stock.

On your Nokia 8 Sirocco enable USB Debugging from Developer Options. Do that for being able to connect your phone with your computer – yes, that connection will be needed as the custom ROM package must be first downloaded on your PC. Anyway, if you cannot access the Developer Options entry navigate towards About Phone and in there tap repeatedly on Built Number until the ‘you are a developer’ message is returned.

Verify the power status bar on your Nokia 8 Sirocco before installing the Android 9.0 Pie based AOSP firmware. It’s important to ensure enough power (more than 50%) because otherwise a sudden shut down might happen right during the update operation. Unfortunately different software related issues can be caused if a sudden switch off takes place, so be careful and try to avoid such unpleasant situations.

How to Install AOSP Android 9.0 Pie on Nokia 8 Sirocco

  1. Power on your computer, and from your web browser navigate towards this page. Download the AOSP custom ROM firmware and save the update package on desktop.
  2. Power off your Nokia 8 Sirocco and wait until the switch off process is completed.
  3. Afterwards, reboot recovery mode on your Nokia 8.
  4. From recovery you now have to make a hard reset and clear app data cache. Do that by picking up these options: ‘wipe data factory reset’ followed by ‘wipe cache partition’ and by ‘wipe dalvik cache’.
  5. After wiping up the internal storage system return to main menu of recovery and pick ‘reboot system now’.
  6. Next, use the USB cable and connect your smartphone with your computer.
  7. From desktop select the Android 9.0 Pie update package and then copy-paste it on your phone.
  8. The computer is no longer required which means that it’s safe to unplug the USB cable now.
  9. Put your Nokia 8 Sirocco into recovery mode again.
  10. This time tap on Install (if you’re using TWRP recovery, otherwise choose ‘install zip from SD card’ followed by ‘choose zip from SD card’) and load the AOSP software file.
  11. Swipe in order to start the flashing process and wait while it is automatically completed.

In the end, from main menu of recovery choose to perform one last reboot and you’re done. The steps and the guidelines explained above should help you successfully install AOSP Android 9.0 Pie on Nokia 8 Sirocco. If you have questions get in touch with us by using the comments field from below. Also, after testing the new Android functionality let us know what you think about this custom update opportunity that’s available for your handset. Of course, for similar other Android related tips and tricks stay close and check out our ‘how to’ page.

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