(adsbygoogle = window.adsbygoogle || []).push({}); How do I jailbreak a ps3 and can you give me a software thanks

Well it would depend, one your console would first need to actually be able to get downgraded. Other that that, no you can't just install a software... Give the CECH-XXXX number from your console, it's on the label at the back of your console. Anyway, if you'd like to find out more about this click You must login or register to view this content..

Will I have to install all the gta 5 updates agajn

Your console needs to be downgraded.