To downgrade a PlayStation 4 from firmware 13.02 to 9.00, it is important to understand that there is no simple software-only method
Downgrading often requires:
A) Official Sony update server access
B) Backup of current system and files
C) Replacing the optical drive
D) Removing the hard drive permanently ps4 downgrade 1302 to 900
Direct software downgrading from 13.02 to 9.00 via a simple menu or USB drive is not possible. The only confirmed method for a "downgrade" is technically a firmware revert, which requires significant hardware modification: To downgrade a PlayStation 4 from firmware 13
If you decide to proceed with a hardware revert, the process typically involves the following technical steps as discussed in modding communities like Reddit YouTube guides Hardware Tools : You need specialized equipment such as a Teensy 2.0++ Raspberry Pi CH341A programmer to read and write to the console's chips. Dumping the Flash : You must solder wires to the Disassemble the PS4 completely
If a downgrade requires modifying the PS4’s NOR/NAND memory, the likely outcome is:
A) Safe, reversible change in minutes
B) Risk of permanent hardware damage or bricking
C) Instant warranty reinstatement
D) Improved network connectivity
I had bought a "broken" PS4 off Facebook Marketplace for $40. The listing said: "Won't update. Stuck in loop." What the seller didn't tell me is that his nephew had tried to jailbreak it, botched the update, and left the poor console in a state of quantum purgatory—partially on 13.02, partially convinced it was on 9.00.