[Google Pixel 4a ROMs, Kernels, Recoveries, & Other] HolyAngel:
We have stock factory boot images, I'm only posting the latest builds.

The rooted android 10 images are rooted with latest Magisk 20.4

The rooted 11 images are rooted with latest Magisk Canary 4e0a3f5e

You will still need to install the Magisk Manager to use root. Root will not work without it.

You HAVE to be bootloader unlocked in order to flash a boot image, meaning these Verizon images are likely useless but google does say it covers extra carriers too. The 11 images seem to be unified in terms of Verizon and other carriers, but do NOT cover

Make sure to match the boot image build number to your own build number. (Settings/about/android version/build number)

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Android 11 - RP1A - NOV - Stock Factory Boot

Stock Boot Image - Global - rp1a.201105.002 - All carriers except EMEA, SG, and IN

AFH

Old Stock Boot Versions

Android 11 - RP1A - Oct - Stock Factory Boot

Stock Boot Image - Global - rp1a.201005.006 - All carriers except EMEA, SG, and IN

AFH

Android 11 - RP1A - Sept - Stock Factory Boot

Stock Boot Image - Global - rp1a.200720.011 - All carriers except EMEA, SG, and IN

AFH

Android 11 Beta R3 - RPB3 - Stock Factory Boot

Stock Boot Image - Global - rpb3.200720.005

AFH

Android 10 - QD4A - Aug - Stock Factory Boot

Stock Boot Image - Global - QD4A.200805.003

AFH

Stock Boot Image - VZW/JP - QD4A.200805.001

AFH

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Android 11 - RP1A - Nov - Rooted Factory Boot

Rooted Boot Image - Global - rp1a.201105.002 - All carriers except EMEA, SG, and IN

AFH

Old Rooted Boot Versions

Android 11 - RP1A - Oct - Rooted Factory Boot

Rooted Boot Image - Global - rp1a.201005.006 - All carriers except EMEA, SG, and IN

AFH

Android 11 - RP1A - Sept - Rooted Factory Boot

Rooted Boot Image - Global - rp1a.200720.011 - All carriers except EMEA, SG, and IN

AFH

Android 11 Beta R3 - RPB3 - Rooted Factory Boot - Thanks to @Xenanthropy !

Rooted Boot Image - Global - rpb3.200720.005

AFH

Android 10 - QD4A - Aug - Rooted Factory Boot

Rooted Boot Image - Global - QD4A.200805.003

AFH

Rooted Boot Image - VZW/JP - QD4A.200805.001

AFH

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For root on Android 11, you need the latest Magisk Canary that can be found here

Steps to proceed:​

Unlock Bootloader

Ensure you are on latest android version

Ensure you have the latest versions of adb/fastboot tools

Download the desired boot image and place where adb tools have access

Connect phone to pc and open terminal/cmd prompt to where you put that desired boot image

On the phone:

Go to Settings/About and scroll to the bottom

tap 'Build Number' 7 times

type password/pincode if you have it otherwise don't worry

Go to Settings/System/Developer Options

Enable OEM Unlocking

Enable USB Debugging

Accept USB Debugging prompt on phone - If this doesn't pop-up by itself, unplug phone and plug back in to pc and then it should pop-up, HAVE to allow access..

On pc type:

adb reboot bootloader

fastboot flashing unlock

On phone:

Volume up/down to YES and press power button to proceed with bootloader unlock and wiping data partition

fastboot reboot

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Flash Boot Image on Bootloader Unlocked Device

Ensure you are on an android version matching the boot image you want to download(Check Settings/About - Click on Android Version - Look at 'Build Number')

Download desired boot image on pc and place it where somewhere you have adb/fastboot access

Connect phone to pc and open terminal/cmd prompt to where you put that desired boot image

Reboot phone to bootloader

on pc type:

fastboot flash boot desired-bootimage-name.img

fastboot reboot

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To Pass CTS w/root- Courtesy of @quangtran1

After flashing rooted kernel:

In Magisk Manager, install the MagiskHide Props Config module;

Execute command 'su -c props' using a terminal app on the phone;

Choose 'Force BASIC key attestation' option from menu;

Choose from fingerprints list, it should default to Pixel 4a, just Confirm

Reboot

?????

Profit

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If you want or need to make your own rooted boot image

You need the latest Magisk Manager installed.

Stable Magisk for Android 10, maybe 11 | Canary Magisk for Android 11 for sure.

Download the desired Stock Boot Image from here or extract it yourself from Google's Factory Image zip.

Copy to sdcard of your device.

Open Magisk Manager, click the first 'Install' button next to 'Magisk is up to date'.

Click 'Install'.

Click 'Select and Patch a File'

Find and select the desired Stock Boot Image.

You will find the magisk patched, Rooted Boot Image in the sdcard/Download folder titled 'magisk_patched.img'

Copy that to your pc and flash your pixel 4a from fastboot or copy to the phone and flash with exkm/fkm/etc.

Reboot

Install Magisk Manager

Enjoy being rooted.

XDA:DevDB Information

[Stock/Rooted Boot Images] Pixel 4a [NOV 02], Tool/Utility for the Google Pixel 4a

Contributors

HolyAngel

Source Code: https://developers.google.com/android/images#sunfish

Version Information

Status: Snapshot

Created 2020-08-24

Last Updated 2020-11-02