Enables background system enhancements and performance patches. FW Version Spoofing:

Change themes, icons, and even the boot animation.

You physically remove the NAND/eMMC chip from Console B and replace it with a flashed copy of Console A’s NAND. Then you also replace the Syscon chip. In theory, Console B now thinks it’s Console A. This is incredibly difficult and requires professional reballing equipment.

: The success of the "glitch" and the points you must solder vary significantly between PS4 Fat, Slim, and Pro models.