If you’re a rooted user and don’t typically install OTA updates, we are going to show you how to upgrade your Pixel 2 (or Pixel 2 XL) from Android 8.0 Oreo to the latest Android 9.0 Pie factory image. We will also show you how to upgrade to higher versions of Android 9.0 Pie – while it sounds like nearly the same thing, the process differs in a few steps.

Requirements

Before you begin, you should remove any lock screen security, and also uninstall any Substratum overlays if you have them installed. You do not need to remove any Magisk modules you have installed, they should in fact continue working as normal after following this guide. TWRP 3.2.3-1 decryption works perfectly fine with fingerprint and PIN security methods.

How to Upgrade Pixel 2 from 8x to 9x

Requirements:

Troubleshooting Advice

If your Pixel 2 gets stuck on the G logo, or you bootloop into TWRP, try:

Performing a hard reboot (long pressing the power).Booting into TWRP, and flashing the Magisk Uninstaller a few times (it may take a few flashes to ‘stick’ correctly).

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