Now you can Update Mi3/Mi4 to Android 9 Pie by installing latest AOSP 9.0 ROM. Recently Google released the official Android 9 Pie Update for Pixel Devices and Android Pie Source code. Now developers already start working on building a ROM based on Pie and now first AOSP 9.0 for Android 9 Pie is available for download. If you want to taste Android 9.0 Pie ROM on Mi3/Mi4 then follow our guide to Download and Install Android 9 Pie on Mi3/Mi4.

XDA Senior Member vasishath released the initial build of AOSP 9.0 ROM for Mi3/Mi4 which is an initial build but stable enough to use it as a daily driver. The ROM comes with many Android Pie features and may contain some bugs. You need to be rooted, and TWRP installed on your device to use this ROM. Download and Install Android 9 Pie on Mi3/Mi4 from below.

Download and Install Android 9 Pie on Mi3/Mi4 via AOSP 9.0 ROM

The ROM is an initial Android Pie build for Mi3/Mi4 and missing many features but it’s improved with time, but the good news is you can experience Android Pie on Mi3/Mi4. The Mi3/Mi4 Android Pie ROM brings all Android Pie features to your device. Download Android 9 Pie on Mi3/Mi4 from below and Update Mi3/Mi4 to Android Pie manually.

Known issues:

  • NFC not working on Mi3


  • This ROM is work on Mi3/Mi4. Don’t try this on any other device.
  • The ROM is an initial Pie build and contains bugs.
  • Follow the steps correctly otherwise you may brick your device. We are not responsible for any damage to your phone.
  • It will erase all your data, so we advise you first to take a complete backup of your phone and then proceed.
  • Ensure that your phone has at least 50-60% charged to prevent the accidental shutdown in-between the process.

Download AOSP 9.0 ROM for Mi3/Mi4

How to Install Android 9 Pie on Mi3/Mi4

  1. First, download and install a custom recovery. If you already had a custom recovery installed on your device then skip this step.
  2. Download Andriod 9.0 ROM and Gapps from above and save it on your device.
  3. Now Boot your device into Recovery mode.
  4. Now in TWRP, create a Nandroid backup (Recommended) of your device for safer side, if anything goes wrong.
  5. Now do a Factory Reset by Goto Wipe>Advanced Wipe>Select Wipe cache, Dalvik cache, System, and data and swipe to confirm it.
  6. Now, Go to Install and locate the ROM zip file & swipe to Install the ROM file. After the process completes, Flash the GApps zip file.
  7. Now wipe cache & Dalvik cache again and Reboot your device.
  8. Done!

This is the complete guide to Download and Install Android 9 Pie on Mi3/Mi4. Let us know how’s your experience with AOSP 9.0 update for Mi3/Mi4 by comments below. Stay connected with us via FacebookTwitter, and Google Plus to read more such helpful posts.


Sumit is a Tech and Gadget freak and loves writing about Android and iOS, his favourite past time is playing video games.

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