This is not a "plug-and-play" USB fix. It requires: Teensy 2.0++ or a similar microcontroller.
But Jake’s other PS4s were useless. They sat on firmware 5.05, 6.72, and one tragic 9.00. To turn them into gold, he needed to go back . He needed to downgrade. ps4 tool downgrade v100 new
: This involves soldering and a high risk of "bricking" the console if not done correctly. 2. Game Version Downgrading (No Jailbreak) This is not a "plug-and-play" USB fix
The PlayStation 4 operates using two separate firmware slots: an active slot and an inactive slot. When the system updates, the new firmware is written to the inactive slot, which then becomes the primary booting partition. The older firmware remains physically present in the now-inactive slot. Tools like or PS4 Wee Tools are designed to patch the system's NOR flash and Syscon chip to force the console to boot from the older, inactive slot. Hardware Requirements and the Reversion Process They sat on firmware 5
A true software-only downgrade from 10.00 to 1.00 is impossible on retail consoles manufactured after 2018.