A safe preparatory step before attempting any firmware modification: A) Unplug the console during write operations B) Create a full backup of user data and saved games C) Run the console until it overheats D) Remove all security patches
You must strip the PS4 down entirely to access the motherboard. Locate the Main Nor Flash chip and the Syscon chip.
Sony designed the PS4 to prevent users from installing older firmware versions over newer ones via USB. A standard software-only downgrade does not exist. To go back to 9.00, you must use a hardware-based method known as . How Reversion Works ps4 downgrade 1302 to 900
The phrase "ps4 downgrade 1302 to 900" is unique, but it likely references two very specific things:
Use tools like bwe or equivalent to take a full dump of your 13.02 NOR and Syscon. A safe preparatory step before attempting any firmware
The ability to dump and play physical media backups.
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. A standard software-only downgrade does not exist
Are you looking to downgrade for or to fix a specific technical bug ? How To Play Older Versions Of PS4 Games [No Jailbreak]
Go to product viewer dialog for this item. Downgrade 13.02 to 9.00: Is It Possible? The Ultimate Guide The desire to downgrade a PlayStation 4 (PS4)