How to Install Android 9 Pie on Nexus 9

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If you are looking to update Android Pie for Nexus 9, then here I have list of Android 9 Pie ROMs for Nexus 9 and a step-by-step guide on how to install Android Pie on Nexus 9.

The Nexus 9 (codename: flounder) was launched with Android Lollipop while Android Nougat was the final Android upgrade that was available.

– Nexus 9 has been abandoned from official Android update. This Android Pie upgrade for Nexus 9 is through custom ROM such as Lineage OS 16.
– Installing a custom ROM requires little bit advance knowledge of operating an Android device.

How to Install Android 9 Pie on Nexus 9

Android 9 Pie Custom ROMs available for Nexus 9:

Following Custom ROMs available for Nexus 9 based on Android 9 Pie:

Nexus 9 Android 9 Pie ROM list

Lineage OS 16 Android 9 ROM LineageOS 16 Android Pie for Nexus 9


Required Downloads and Links before you Update Android 9 Pie on Nexus 9:


Root binary is NOT inbuilt in any custom ROM. So you may need install a SuperSU ROOT zip file.

SuperSU rooting guide to enable ROOT access.

How to Install/Update Android 9 Pie on Nexus 9:

  1. Download the TWRP recovery for Nexus 9 from the downloads list.
  2. Install TWRP Recovery on Nexus 9 using fastboot.
    – To install the TWRP recovery on the phone needs to have an unlock bootloader on Nexus 9
  3. Enter into TWRP recovery mode and Wipe data partition, Cache partition, System partition and clean Dalvik cache.
    – Here is a step-by-step guide on how to wipe data using TWRP recovery

    Don’t wipe or format Internal memory here. If you do, you will lose all your phone data.
    – To be on safe side, backup all data on your Android Phone before wiping anything.
  4. Then, download one of the Android Pie ROMs available for Nexus 9 and copy the file to your phone using TWRP MTP mode or sideload.
    – Each link provided in this guide has their own step-by-step installation guide.
  5. Install ROM zip using TWRP recovery.
  6. Download Pie MindTheGApps package (recommended for LineageOS 16 ROM), copy that to your phone and then Install Android Pie GApps using TWRP
    – Well, this step is an optional but if you don’t do you will not be able to install any applications on your Android Pie ROM.
    – The GApps package provides basic Google Play Services, Play Store application and other Google Applications.
  7. Reboot your phone and enjoy Android Pie on Nexus 9.
  8. Optionally, if you want ROOT on the Android Pie ROM, then restart your phone into TWRP recovery mode and install SuperSU to enable ROOT.
    – This step is not necessary to run Android Pie smoothly but if you want ROOT on the Android Pie ROM then you need to follow this step.

Where to Download Google Camera for Nexus 9 Android Pie?

GCam version 6.x and 7.0 such as: GCam 6.2.030 or Gcam 6.1.021 and some or all GCam 7.0 are compatible with any Android Pie ROM in general.
In case you won’t get your device in the above lists, you can always look into the big list of Google Camera for Android Pie page that contains a huge list of GCam for all available devices.

If you are facing any issue while following this guide, then you can comment here or you can create a topic on the Nexus 9 (flounder) Forum or on the respective Android Pie, LineageOS 16, Android Oreo Custom ROM topics.

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