Download and Install AOSP Android 9 Pie on Mi A1

[STABLE ] Download and Install AOSP Android 9 Pie on Mi A1

GCam Port | Google Camera APK v9.4 (September 2024) › Forums › Xiaomi Device Forums › Mi A1 – tissot › [STABLE ] Download and Install AOSP Android 9 Pie on Mi A1

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  • September 3, 2024 at 12:56 PM #44216
    Linux User
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    Good news for Mi A1 users as Android Pie 9.0 for Mi A1 is now available to download from a stable build. This post guides how to download and install AOSP Android Pie on Mi A1.

    This AOSP build of Mi A1 Android Pie 9.0 is brought to you by abhishek987.

    DONATION TO PROJECT/DEVELOPER(s):

    Please consider for a small contribution to abhishek987 for the effort to build this ROM:
    – No donation link found for abhishek987

    [su_note note_color=”#F9D9D9″ text_color=”#AA4343″ radius=”3″ class=”” id=””]DISCLAIMER:
    THIS IS REPORTED AS A STABLE BUILD OF ANDROID PIE FOR Mi A1 (Android 9).
    BUT STILL MAKE SURE TO BACKUP EVERYTHING BEFORE YOU INSTALL THIS ANDROID PIE ON Mi A1.[/su_note]
    [su_note note_color=”#FBF4DD” text_color=”#A38C68″ radius=”3″ class=”” id=””]
    – Installing a custom ROM requires unlocked bootloader on Mi A1, 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.
    [/su_note]

     

    Content structure of Mi A1 Android Pie update guide:

    1. Required Downloads to install AOSP Android Pie 9.0 on Mi A1
    2. Installing AOSP Android Pie 9.0 on Mi A1
    3. Troubleshooting the Mi A1 Android Pie 9.0 AOSP

     

    Download and Install AOSP Android 9 Pie on Mi A1

    Status of this AOSP Android Pie on Mi A1:

    WHAT’S WORKING:
    – Boots
    – RIL (Calls, SMS, Data)
    – Fingerprint
    – IR Blaster
    – Wi-Fi
    – Bluetooth
    – Camera
    – Camcorder
    – Video Playback
    – Audio
    – Sensors
    – Flash
    – LED
    – GPS
    – Volte

     

    KNOWN ISSUES:
    – Hardware encryption
    – Aosp camera is broken (other cam like gcam or stock rom cam works perfectly)

    REQUIRED LINKS AND FILES TO INSTALL AOSP ANDROID PIE ON Mi A1:

    [styledlist style=”yes”]

    [/styledlist]

    HOW TO FLASH/INSTALL ANDROID PIE 9.0 ON Mi A1:

    Follow this guide if you are flashing Android 9.0 Pie on Mi A1 for the first time, or coming from any other ROM of any Android version:

    [su_note note_color=”#FBF4DD” text_color=”#A38C68″ radius=”3″ class=”” id=””]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.[/su_note]

    1. Boot into the TWRP custom Recovery to install this Android 9.0 Pie on Mi A1.
      [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- 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)[/su_note]
    2. Backup system, vendor, boot, data of your Mi A1 phone
      [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- How to take complete backup using TWRP[/su_note]
    3. Wipe the data partition (or do a factory reset), wipe cache, ART or Dalvik cache and Format the System partition.
      [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a guide explaining How to wipe data using TWRP.[/su_note]
      [su_note note_color=”#FBF4DD” text_color=”#A38C68″ radius=”3″ class=”” id=””]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[/su_note]
    4. Download and Copy the Mi A1 Android 9 Pie AOSP ZIP files to your phone by using MTP mode in TWRP.
    5. Flash the Mi A1 Android 9 Pie AOSP file that you have copied into the phone.
      [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a post explaining how to install recovery flashable zip file[/su_note]
    6. Reboot and Enjoy the Android 9.0 Pie on Mi A1.

    Upgrading from earlier version of Android Pie on Mi A1 (mido):

    1. Copy the latest Mi A1 Android 9 Pie AOSP ROM ZIP file to the phone.
    2. Boot into TWRP Recovery on Mi A1.
      – Make sure you have a latest or a compatible custom Recovery that should be able to install Android Pie on Mi A1.
    3. Format or wipe the system partition from the custom recovery menu.
    4. First install the Android 9 Pie ROM ZIP file from device.
      [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a post explaining how to install recovery flashable zip[/su_note]
    5. Once everything is done, reboot and Enjoy the Android 9 Pie on Mi A1.

     

    TROUBLESHOOTING AFTER INSTALLING ANDROID PIE 9.0 ON Mi A1:

    This build is reported to be a stable build of Android Pie on Mi A1. But, if in case you want to downgrade to Android Oreo then here are some of the options:
    – How to install OFFICIAL LineageOS 15.1 on Mi A1
    – How to install LineageOS 15.1 on Mi A1
    – How to install Resurrection Remix Oreo ROM on Mi A1

    [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]Stay tuned or Subscribe to the Mi A1 (tissot) forum for Android 9 Pie ROMs, Mi A1 Lineage OS 16 ROM, Android Oreo 8.1 ROMs, LineageOS 15.1 ROMs, other ROMs and all other device specific topics.[/su_note]

    For any help on this ROM, here is the source link on xda.

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