How to Install Android 9.0 Pie on Lenovo K9 [GSI Phh-Treble]

Today we will guide you to install AOSP Android 9.0 Pie on Lenovo K9 based on Pie GSI build. Thanks to the XDA Recognized developer phhusson, who developed the Project Treble GSI build for many Mediatek and Snapdragon-powered devices.

GSI stands for a Generic System image. The moniker “Generic” implies that such software images could be installed on any Treble-enabled device, irrespective of the manufacturer they belong to. We already shared the complete list of devices supported for Android Pie 9.0 Generic System Image (GSI).

To install AOSP Android 9.0 Pie on Lenovo K9, you need to unlock the bootloader of Lenovo K9 and should be running the ADB fastboot driver on your PC.

What’s on Android 9.0 Pie?

Android 9.0 Pie is the 9th iteration and a major update of Google’s Android OS. The new Android Pie brings a couple of design changes to the successor Android Oreo but the most notable one is the gesture-based navigation system. Other features of Android 9 Pie are New Quick Settings UI design, Redesigned volume slider, Advanced Battery with AI Support, Notch Support, Improved Adaptive Brightness, Manual theme selection, Android Dashboard which Google calls Digital Wellbeing, and more other features.

[su_youtube_advanced url=”https://www.youtube.com/watch?v=-HSqeuLK4G0″ controls=”alt” rel=”no”]

Guide to Install Android 9.0 Pie on Lenovo K9

If you are looking to install the latest version of Android OS on your device, then please follow this guide below to enjoy Android 9.0 Pie update for Lenovo K9.

[su_note note_color=”#fee9e9″ text_color=”#000000″]Warning: We are not responsible if you brick your device. Do it at your own risk.[/su_note]

Pre-Requisites:

• Supported device: Lenovo K9
• Charge your phone: You need 50% or more juice.
• Backup: Take a complete backup of your phone data [Follow any method]
  • How to Backup Your Android Phone Without ROOT
  • How to Backup Complete Stock or Custom ROM using TWRP recovery
  • Backup Your Android Apps and Data with Titanium Backup
  • How to Backup Your Android Phone Directly to PC with TWRP!!
  • How to Backup Your Data on an Android Device
• Do a full data wipe in the stock recovery (First try without wiping the data)
• Required drivers: Download Lenovo USB Drivers and Install them on your PC
• Unlock Bootloader: You need to unlock the bootloader of your device.
• ADB Fastboot drivers: Download ADB and Fastboot tool [To flash via ADB Sideload Method]

Required ROM and Gapps Package:

• Download GSI Treble Firmware Files Here: Download – Download ARM64

[su_note note_color=”#fefef3″ text_color=”#000000″]You will want just the GAPPS version to download and install AOSP Android Pie. Vanilla is plain w/o GAPPS, and FLOSS is Open Source alternative to the GAPPS.[/su_note]

Instructions to Flash:

You can use the ADB Sideload method to flash the AOSP Android 9.0 Pie on Lenovo K9.

Install via ADB Sideload

—> How to Install Generic System Image on Project Treble Devices

I hope this guide helped install the Android 9.0 Pie on Lenovo K9 based on Project Treble GSI images.

Source: XDA || Credits to phhusson