If you are looking to jailbreak your console, the most common advice in communities like r/ps4homebrew is to sell your current 9.60 console and purchase a used PS4 that is already verified to be on firmware 9.00 or lower. If you'd like, I can help you: Find to buy a 9.00 console. Check if there are any recent exploits for 9.60. Learn about the risks of hardware modding . Firmware Revert - ConsoleMods Wiki
When you update your console from 9.00 to 9.60, the PS4 stores a copy of your old 9.00 firmware in a backup slot on the motherboard. The revert process involves corrupting the active slot (which contains 9.60) so the console fails to boot from it. It then falls back to its failsafe and boots from the backup slot, which is your previous 9.00 firmware. how to downgrade ps4 9.60 to 9.00
The PS4 motherboard keeps two slots for firmware: the "active" current version and the "previous" version installed before the last update. If you are looking to jailbreak your console,
How to Downgrade PS4 9.60 to 9.00: The Ultimate Guide to Reverting Firmware Learn about the risks of hardware modding
Stay on 9.60. Block Sony’s update servers via your router. Wait. And never, ever click “Update Now” when a pop-up appears.
If you updated from 9.03 to 9.60, you can only revert to 9.03. You cannot "jump" back multiple versions. Required Hardware and Tools
The PlayStation 4 homebrew and jailbreak community revolves heavily around firmware version 9.00. Thanks to the stable pOOsSP4 (kernel exploit) vulnerability, staying on 9.00 allows users to run custom payloads, back up their physical game media, and install homebrew applications.