In this video, I walk you through the process of downgrading your PS4 firmware from version 11.2 to 11.00 using Teensy 4.0, the Wee tools software, and a universal programmer. This stepbystep guide is designed for the PS4 12000 model, detailing the dump and write process for the NOR and the SYSCON chip.

Learn how to:

Prepare your tools and software for the downgrade
Connect the Teensy 4.0 and use the wee tools software
Safely dump and write to the NOR chip using a universal programmer
Verify the success of the firmware revert
Make sure to follow each step carefully to avoid any issues. If you find this video helpful, don't forget to like, subscribe, and hit the bell icon for more tech repair and modding tutorials.

Tools and Software Used:

Teensy 4.0
Wee tools software
Universal programmer
Important Note: This process involves technical steps that, if not followed correctly, can cause damage to your PS4. Proceed with caution and ensure you have a backup of your current firmware.

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