![How To Downgrade the Fat PS3 from 4.66 to 3.55 Firmware Using E3 Flasher Tutorial | Welcome to the Underground. How To Downgrade the Fat PS3 from 4.66 to 3.55 Firmware Using E3 Flasher Tutorial | Welcome to the Underground.](https://upload.wikimedia.org/wikipedia/commons/6/69/PS3-Fat-Console-Vert.jpg)
How To Downgrade the Fat PS3 from 4.66 to 3.55 Firmware Using E3 Flasher Tutorial | Welcome to the Underground.
![I purchased a PS3 backward compatible from ebay for a good price and I'm impressed how clean it is. However... It's still on firmware 2.50. Should I update the firmware? : r/PS3 I purchased a PS3 backward compatible from ebay for a good price and I'm impressed how clean it is. However... It's still on firmware 2.50. Should I update the firmware? : r/PS3](https://preview.redd.it/iv44pvv7kmm71.jpg?auto=webp&s=4cbe6bf115315f7e481fce99e4a8258f92ec5d46)
I purchased a PS3 backward compatible from ebay for a good price and I'm impressed how clean it is. However... It's still on firmware 2.50. Should I update the firmware? : r/PS3
![Geohot Jailbreaks PlayStation 3 with Custom Firmware 3.55 (Video) - John's Phone - The World's Simplest Cell Phone Geohot Jailbreaks PlayStation 3 with Custom Firmware 3.55 (Video) - John's Phone - The World's Simplest Cell Phone](https://www.johnsphones.com/wp-content/uploads/2019/11/PS3.jpg)