Android Pie 9.0 GSI on Redmi 4X with Project Treble / Generic System image

Here we are sharing the first ported Android Pie 9.0 GSI for Xiaomi Redmi 4X based on Android Pie 9.0. GSI is also known as a Generic System image. We already shared the complete list of devices supported for Android Pie 9.0 Generic System image (GSI). This guide will help you to install the Android Pie 9.0 GSI on Redmi 4X (santoni).

Talking about the specifications, Redmi 4X features a 5.0-inches display with a screen resolution of 720 x 1280 pixels. It is powered by Qualcomm MSM8940 Snapdragon 435 processor coupled with 2/3/4GB of RAM. The phone packs 16/32/64GB internal memory. The camera on the Redmi 4X comes with Dual 13MP and 5MP front shooting camera. It is backed by a Non-removable Li-Po 4100 mAh battery. It also has a fingerprint sensor on the back.

Google finally revealed the next version of Android OS called Android 9.0 Pie. The update is been rolling out to Pixel phones now. The currently supported devices are Google Pixel, Pixel XL, Pixel 2 and Pixel 2 XL. Google announced the Android Pie beta preview earlier this year and includes lots of new features. Google also say’s that the devices that were a part of the Android P developer preview program with brands such as Sony, Xiaomi, Oppo, OnePlus, Essential, and more along with some Android One phones, will get the Android 9.0 Pie in the fall.

As we all know, Google introduced the Project treble last year with the Android 8.0 Oreo. Project Treble has made it easier for OEMs to port newer Android versions to their devices, but it has also made it easy for Custom ROM developments. With the help of project treble, every company can easily skin their Android OS to their preferences in a very quick and easy way.

Android Pie 9.0 GSI on Redmi 4X with Project Treble / Generic System image

Xiaomi Redmi 4X Now Supports Project Treble

Now we have a good news for Xiaomi Redmi 4X (santoni) users. You can now download and install the Android Pie 9.0 GSI on Redmi 4X. Full Credits to the developer M7mD.Sa3eD and XDA Recognized Developer erfanoabdi who just ported the Android P beta version from Google Pixel XL(marlin) with the help of project treble. Recently, The ROM development community has completely boosted Custom ROM development with the help of Project treble. We’ve seen the Lineage OS, Resurrection Remix, Mokee OS, Pixel Experience has made their way to support most of the budget device based on Kirin, Exynos, Lineage, and other obscure brands.


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In this guide, you can now install the Android Pie 9.0 GSI on Redmi 4X (santoni). You can just follow the below guide to enjoy the new Android Pie 9.0 before it’s official rollout. There is no confirmation whether the Xiaomi will officially support Android Pie 9.0 on Xiaomi Redmi 4X smartphone. Here is the list of devices which will receive official Android Pie 9.0 on Xiaomi.

Steps to Install Android Pie 9.0 GSI on Redmi 4X (santoni):

Well, you heard it correct and you are in the right place. You can now flash the Android Pie 9.0 Generic System image on Xiaomi Redmi 4X using the project treble 8.1 vendor. Before flashing, make sure to download the pre-required drivers and ROM package.


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Warning: Known Bugs:

  • Camera not working, even when enabling HAL3 manually from build.prop
  • Notification LED not working (LED is working only when charging)
  • Double Tap To Wake not working.


Required ROM and Gapps Package:

Instructions to Flash:

To flash the Android Pie 9.0 GSI on Redmi 4X, you need the latest TWRP Recovery 3.2.1-1 or higher. If you already have, then make sure to download the above-given links.

  1. First of all, make sure to download and move all the above required ROM packages on your Redmi 4X Internal storage.
  2. Extract the file. Complete Guide on How to extract any Zip file on Android devices.
  3. Now reboot your phone into TWRP Recovery and Swipe Allow Modifications (Appears for the first time only)
  4. Once you are in TWRP Recovery, first of all. Take a complete backup of stock or custom ROM using TWRP.
  5. Now wipe the cache, data, and system before flashing the new Android Pie 9.0 on Redmi 4X.
  6. To Wipe data: Go to Wipe —> Advanced Wipe and select Dalvik/ART cache, cache, System, Vendor, and Data and then swipe to wipe. [su_note note_color=”#fef0ef” text_color=”#000000″]Warning: Make sure not to select Internal storage[/su_note]TWRP Wipe System Data and Cache Screenshot
  7. You can now flash the Resurrection Remix Oreo OS Resurrection Remix
  8. To flash Resurrection Remix on Redmi 4X: In TWRP Recovery, tap on Install button –> select Resurrection Remix and swipe to flash.
  9. Now flash the extracted image file on TWRP: Tap on Install Button —> Select the extracted P-DP4 image file –> Swipe to flash TWRP Flash IMAGE File
  10. You have to mount the partition before flashing the remaining POST-sGSI zip file on your Redmi 4X. Follow the procedure to mount the partition. To mount, Tap on Mount button –> Select System and Vendor. Mount-TWRP-partition
  11. Now you can flash the, and on your Redmi 4X –> TWRP –> Install –> select the post-sGSI zip file
  12. Once you are done, now flash the P lag Fix.Zip file.
  13. Again Mount System and vendor partitions just like 10th step
  14. Now flash to fix the incall sound issue.
  15. Now reboot and enjoy Android Pie 9.0 GSI on Redmi 4X (santoni).

I hope this guide was helpful to install the Android Pie 9.0 Generic System image on Redmi 4X using the project treble 8.1 vendor.


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