Flash Stock Android 12

• Install latest Android 12 image for Pixel 3 XL from the official site:  https://developers.google.com/android/images#crosshatch

Enable Developer Mode & USB Debugging 

• Go to Settings > About phone
• Tap Build number 7 times to enable Developer Mode
• Go to Settings > System > Developer options
• Enable OEM unlocking and USB debugging

Unlock the Bootloader

• Go to Settings > System > Developer options
• Enable OEM unlocking
• Confirm the prompt to unlock the bootloader

Download the following files to your PC:

• TWRP boot image and installer
  https://twrp.me/google/googlepixel3xl.html

• Magisk (for root access)
  https://github.com/topjohnwu/Magisk 
  Change file extension to .zip

• Alynx NetHunter Kernel & Wireless Firmware
  XDA Thread – Alynx NetHunter Kernel

• Kali NetHunter Full Archive
  https://kali.download/nethunter-images/kali-2025.1c/kali-nethunter-2025.1c-crosshatch-thirteen-full.zip

 Reboot into Bootloader

adb reboot bootloader

Boot TWRP Recovery

fastboot boot twrp-3.7.0_12-0-crosshatch.img

Push Installation Files to the Device

adb push twrp-installer-3.7.0_12-0-crosshatch.zip /sdcard
adb push magisk28.1.zip /sdcard
adb push Alynx-12-nethunter-bluecross.zip /sdcard
adb push Wireless_firmware.zip /sdcard

Install Files via TWRP (in this order)

• twrp-installer-3.7.0_12-0-crosshatch.zip
• magisk28.1.zip 
• Alynx-12-nethunter-bluecross.zip
• Wireless_firmware.zip

Use TWRP > Install for each zip file.

Reboot to System

Once installation is complete, go back to TWRP > Reboot > System

Set Up Magisk

• Open the Magisk app 
• Follow on-screen instructions to finish setup
• Reboot the phone if prompted

Install Kali NetHunter Module

• Copy the NetHunter archive to your device using file transfer.

• Open Magisk > Modules

• Tap Install from Storage and select the NetHunter zip archive

• Reboot after installation