(adsbygoogle = window.adsbygoogle || []).push({}); How can I mod menu on my ps3 make it

Your ps3 needs to be jailbroken on custom firmware. It also depends what game you are talking about.

Can I get some help my ps3 is on 4.70 dex and i downloaded aw and bo3 but when i press to start the games says i need to upgrade my sysytem but idk if should bc i dont want mess anything up

Are you sure it is a system update and not a game update? It is ok to update games, just not the firmware..

You want to install a mod menu on your console, right? Well, firstly it would help if you've stated what game you want it for... update your thread with this information. Anyway, it's the same principle as installing all other ones. Simply follow this video below: