If you want to play Call of Duty, EA Sports FC 24, or Final Fantasy XVI online, 9.00 is useless. 10.50 is required for modern PSN access. If you accidentally updated, perhaps it's a sign to enjoy online multiplayer on your official PSN account.
Since you cannot downgrade to 9.00, you have limited options:
You likely want 9.00 because it is the last firmware version that has a public jailbreak (using a USB exploit). Versions 9.03, 9.50, 10.00, 10.50, 11.00, and later do not have any public jailbreak.
If your console is already on 10.50:
Downgrading a PS4 is not a purely software-based operation like it is on some other consoles. You cannot simply put a USB drive in and install the older update. The PS4 has a "version flag" stored on its motherboard that prevents booting if the installed firmware is older than the last detected version. ps4 downgrade 10.50 to 9.00
To bypass this, the downgrade requires Syscon Glitching. This involves using a hardware programmer (such as a Raspberry Pi Pico, ESP32, or a specialized tool like the Modus) to interact with the system controller.
The process generally works as follows:
On eBay, Facebook Marketplace, or r/PS4Homebrew, a console on 9.00 is worth significantly more ($300–$400) than a console on 10.50 ($150–$200). Sell your updated PS4, add $50, and buy a pre-owned unit on 9.00. This is the most cost-effective and time-efficient solution.
Firmware 9.00 is notable because it has a public jailbreak (using a USB exFAT exploit). Firmware 10.50 does not. Users on 10.50 sometimes want to go back to 9.00 to jailbreak. If you want to play Call of Duty
If you are already on 10.50, you cannot go to 9.00.
If you are on 9.00 or lower, you can block updates to stay there, but you cannot go back after updating.
Searching online will find “PS4 downgrade tool” or “9.00 firmware installer for 10.50”. These are scams or malware:
No legitimate tool exists.
The search for a ps4 downgrade 10.50 to 9.00 is a journey into the heart of console security. While the answer is disappointing—impossible for retail users without hardware-level microsoldering skills and donor chips—it is also liberating. Stop chasing fake tools and YouTube myths. You have two clear paths: Searching online will find “PS4 downgrade tool” or “9
Remember: The PS4 scene is about preservation and learning. Do not risk bricking your console for a downgrade that software alone cannot achieve. Let this article be your definitive, realistic guide.
If you found this analysis helpful, share it with another confused PS4 owner. And next time you see a "System Software Update Available" notification—pause, research, and only press confirm when you are absolutely ready.
Disclaimer: This article is for educational purposes only. Modifying your console violates Sony’s Terms of Service and may result in a permanent PSN ban. The author is not responsible for any hardware damage or data loss resulting from attempted downgrades.
I understand you're asking about downgrading a PlayStation 4 from firmware version 10.50 to 9.00.
However, I need to give you a clear and factual answer: It is not possible to downgrade a PS4 firmware from 10.50 to 9.00 (or any lower version) through any official or reliable method.
Here’s why, along with some important context: