[shibaa987]

Android Pie 9 for Mi 3 / Mi 4 is now available to download from a development BETA build. This Mi 3 / Mi 4 Android 9 Pie AOSP ROM build is brought to you by vasishath and Shahan_mik3

DONATION TO PROJECT/DEVELOPER(s):

Please consider for a small contribution to Shahan_mik3, vasishath for the effort to build this ROM:
– donation to Shahan_mik3
– No donation link found for vasishath

DISCLAIMER:
THIS IS AN INITIAL BUILD OF ANDROID PIE FOR Mi 3 / Mi 4 (Android 9).
BUT STILL MAKE SURE TO BACKUP EVERYTHING BEFORE YOU INSTALL THIS ANDROID PIE ROM ON Mi 3 / Mi 4.

– Installing a custom ROM requires unlocked bootloader on Mi 3 / Mi 4, which may VOID your warranty and may delete all your data. Before proceeding further you may consider backup all data on the phone.
– You are the only person making changes to your phone and I cannot be held responsible for the mistakes done by you.

 

Content structure of Mi 3 / Mi 4 Android Pie update guide:

1. Required Downloads to update this AOSP Android Pie 9 for Mi 3 / Mi 4
2. Installing AOSP Android Pie 9 on Mi 3 / Mi 4
   • Installing AOSP Android Pie 9 on Mi 3 / Mi 4 for the first time
   • Upgrading AOSP Android Pie 9 on Mi 3 / Mi 4
3. Troubleshooting the Mi 3 / Mi 4 Android Pie 9 AOSP

 

Status of this Android Pie 9 AOSP for Mi 3 / Mi 4:

WHAT’S WORKING:
– Almost everything

 

KNOWN ISSUES:
– Headphone volume cannot be increased or decreased
– NFC does not work on Mi 3

REQUIRED LINKS AND FILES OF ANDROID PIE 9 FOR Mi 3 / Mi 4:

• TWRP recovery for Mi 3 / Mi 4
  – Here is the how to install TWRP for Mi 3 / Mi 4.
  – This recovery guide requires an unlock bootloader on Mi 3 / Mi 4.
• AOSP downlaod link to the Android Pie 9 for Mi 3 / Mi 4
• ARM32 GApps download for Android 9 Pie ROM

HOW TO FLASH/INSTALL ANDROID PIE 9 ON Mi 3 / Mi 4:

Follow this guide if you are flashing Android 9 Pie on Mi 3 / Mi 4 for the first time, or coming from any other ROM of any Android version:

Points to NOTE:
– Try to avoid restoring apps backup using any application such as: Titanium Backup. It may break things up.
– Don’t restore system data using Titanium Backup! It will definitely break the current installation.
– It is also discouraged to Restoring Apps + Data using Titanium Backup.

1. Boot into the TWRP custom Recovery to install this Android 9 Pie for Mi 3 / Mi 4.
   
   – Make sure to have a Custom recovery like a TWRP recovery or any other custom recovery.
   – If not then download the TWRP recovery from Downloads link and follow the TWRP flashing Guide (it’s a generic guide which will work for TWRP or any other recovery)
2. Backup system, vendor, boot, data of your Mi 3 / Mi 4 phone
   
   – How to take complete backup using TWRP
3. Wipe the data partition (or do a factory reset), wipe cache, ART or Dalvik cache and Format the System partition.
   
   – Here is a guide explaining How to wipe data using TWRP.
   
   
   This will delete all your data on your phone. You may consider complete backup of your phone data or take a NANDROID backup of the current ROM
   – How to backup Data on Android Phone
4. Download and Copy the Android Pie GApps and Mi 3 / Mi 4 Android 9 Pie AOSP ZIP files to your phone by using MTP mode in TWRP.
5. Flash the Mi 3 / Mi 4 Android 9 Pie AOSP file that you have copied into the phone.
   
   – Here is a post explaining how to install recovery flashable zip file
6. Then flash the Android 9 Pie GApps (Android 9 Pie GApps package).
   
   – Here is a post explaining how to install GApps using TWRP recovery.
7. Reboot and Enjoy the Android 9 Pie on Mi 3 / Mi 4.

Upgrading from earlier version of Android Pie on Mi 3 / Mi 4 (cancro):

1. Copy the latest Android 9 Pie for Mi 3 / Mi 4 ROM ZIP file, Android 9 Pie GApps package to the phone.
2. Boot into TWRP Recovery on Mi 3 / Mi 4.
   – Make sure you have a latest custom Recovery that should be able to flash the Android Pie ROM update on Mi 3 / Mi 4.
3. Format or wipe the system partition from the custom recovery menu.
4. First install the Android 9 Pie ROM ZIP file from device.
   
   – Here is a post explaining how to install recovery flashable zip
5. Reboot and see you have the GApps available or not.
   
   – Gapps is built in such a way that it will sustain across ROM updates.
6. If you don’t have GApps after upgrading the Android 9 Pie on Mi 3 / Mi 4, then flash the Android GApps once again.
   
   – Here is a post explaining how to flash GApps using TWRP recovery.
7. Once everything is done, reboot and Enjoy the Android 9 Pie for Mi 3 / Mi 4.

 

SCREENSHOT OF RUNNING ANDROID 9 PIE ON Mi 3 / Mi 4:

Below is the screenshot from a Mi 4 running on Android 9 Pie AOSP build.
The screenshot was provided by Shahan_mik3:

TROUBLESHOOTING AFTER INSTALLING ANDROID PIE 9 ON Mi 3 / Mi 4:

This build is reported to be a stable build of Android Pie for Mi 3 / Mi 4. But, if in case you want to downgrade to Android Oreo then here are some of the options:
– LineageOS 15.1 Oreo ROM for Mi 3 / Mi 4
– AICP 13 Oreo ROM for Mi 3 / Mi 4
– Resurrection Remix Oreo ROM for Mi 3 / Mi 4
– MIUI 9 for Mi 3 / Mi 4

Stay tuned or Subscribe to the Mi 3 / Mi 4 (cancro) forum for Android 9 Pie ROMs, Lineage OS 16 ROM, Android Oreo 8.1 ROMs, LineageOS 15.1 ROMs, other ROMs and all other device specific topics.

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