OFW stands for official firmware. How to Jailbreak Your PS3 on Firmware 4. PS3 SLIM ONLY 200XX/250XX MODEL 4. Many people who have installed CFW or HFW with PS3HEN have asked about the process of. Everything You Should Know About PS3 · Q: What is CFW? · A: CFW stands for Custom Firmware. Another information, i buy this ps3 from my friend, and when i install cfw from ofw and open multiman i see in game section , 3 games(like red.