Here are all the official firmwares which have security faults on them making them exploitable.
Download links are below. You will want to download one of these if the firmware ver on your PS3 is below any of these.
If you are doing the PS3Xploit Web Based exploit and have the firmware 4.82 or below dowload the 4.82 firmware
To check your firmware version:
- Turn on your PS3
- In XMB go to: Settings -> System Settings -> System Information
- Take note of the firmware version
You will also want to check the firmwares with an MD5 checker to make sure they downloaded uncorrupted
If you flash a corrupted firmware you will brick your ps3!
Here is an MD5 checker.
