9.1.1

Nvidia Shield

For Nvidia Shield (2017 darcy) running Android 9.1.1

If you are currently in bootloop, download the recovery image

Extract/flash using official instructions

Basically...

fastboot flash staging blob
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img
fastboot flash vendor vendor.img
fastboot reboot

Make sure you are on Android version 9.1.1; You may need to update via OTA on the Shield itself if Nvidia doesn't have the most up-to-date package on it's website.

Download Magisk 25.2 apk from official repository:

On computer...

adb install Magisk-v25.2.apk
adb reboot bootloader
fastboot flash boot magisk_9.1.1.img
fastboot reboot

You should now be able to use Magisk.

To restore/unroot

adb reboot bootloader
fastboot flash boot stock-boot_9.1.1.img
fastboot reboot

9.1.0

Nvidia Shield

For Nvidia Shield (2017 darcy) running Android 9.1.0

If you are currently in bootloop, download the developer or recovery image

Extract/flash using official instructions

Basically...

fastboot flash staging blob
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img
fastboot flash vendor vendor.img
fastboot reboot

Make sure you are on Android version 9.1.0; You may need to update via OTA on the Shield itself if Nvidia only has v9.0 packages on it's website.

Download Magisk 25.2 apk from official repository:

On computer...

adb install Magisk-v25.2.apk
adb reboot bootloader
fastboot flash boot magisk_patched-25200_dY5W3.img
fastboot reboot

You should now be able to use Magisk.

To restore/unroot

adb reboot bootloader
fastboot flash boot boot.img
fastboot reboot

Nvidia Shield (darcy) Android 8.2.3 patched boot img

Nvidia Shield

For Nvidia Shield (2017 darcy) running Android 8.2.3 developer image.

If you are currently in bootloop, download the developer image

Extract/flash using official instructions

Basically...

fastboot flash staging blob
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img
fastboot flash vendor vendor.img
fastboot reboot

Make sure you are on Android version 8.2.3

Download Magisk 23.0 apk from official repository:

On computer...

adb install Magisk-v23.0.apk
adb reboot bootloader
fastboot flash boot boot_magisk23.0.img
fastboot reboot

You should now be able to use Magisk.

To restore

adb reboot bootloader
fastboot flash boot boot.img
fastboot reboot