However, a technical process called exists, which can potentially return your console to its immediately previous firmware version if that version was 9.00. 1. Understanding PS4 Firmware "Slots"
You cannot uncarve it. Once the fuse is blown, you cannot "un-blow" it. This is not a software flag—it is hardware damage by design. ps4 downgrade 10.50 to 9.00
Safe Mode performs the same eFuse check as the normal updater. Option 6 (System Update) and Option 3 (Update from USB) will both reject firmware 9.00 if your console has ever been on 10.50. However, a technical process called exists, which can
To proceed, you must possess the following: Once the fuse is blown, you cannot "un-blow" it
Contains the firmware version you had installed right before updating to 10.50.
Using your programmer, read the current e-fuse configuration. This tells you how many times the console has been updated.
Instead of risking total destruction, do this:
However, a technical process called exists, which can potentially return your console to its immediately previous firmware version if that version was 9.00. 1. Understanding PS4 Firmware "Slots"
You cannot uncarve it. Once the fuse is blown, you cannot "un-blow" it. This is not a software flag—it is hardware damage by design.
Safe Mode performs the same eFuse check as the normal updater. Option 6 (System Update) and Option 3 (Update from USB) will both reject firmware 9.00 if your console has ever been on 10.50.
To proceed, you must possess the following:
Contains the firmware version you had installed right before updating to 10.50.
Using your programmer, read the current e-fuse configuration. This tells you how many times the console has been updated.
Instead of risking total destruction, do this: