Possible to update cfw3.52m33-4 directly to cfw3.80m33-2?

Anyone know, or is there an order I have to go in? Please explain if you have enough patience lol. Does cfw3.80m33-2 work on both fat and slim? Thanks in advance fellas.

You can go from 3.52 M33-3 (or higher) straight to 3.80 M33. Then all you have to do is a network install to get completely up to date.

CFW 3.80 works on both the fatty and the slim. I tested on both meself.

Cool but what do you mean a complete network install. isn't that the official sony upgrade?(probably not what you mean). So I just have find the complete firmware and install? thanks again man.

* Copy the UPDATE folder into /PSP/GAME/
* Get the 3.80 Sony update below, rename to 380.PBP, and put it in same folder.
* Run it, the update will be done by Sony updater. At the end when you are asked to reboot the PSP pressing X or O, do it.

You will need the 3.80 official eboot found here> http://www.psp-hacks.com/file/1377 and heres the link for the 3.80m33 install http://www.psp-hacks.com/file/1392.