Originally posted by Shabbegbglass
So I need to install some corrupted data, It's a 3.55 updat.pup and pls don't tell 'Oh you need a E3 Flasher'. I have a 3.55 file, I don't care if it's a virus, my ps3 is broken anyways. Just please tell me how to download corrupted pup file from USB (System Update)
So you are on 3.55 and you want to download a 3.55 updat.pup

Do you mean you want to go onto a Custom Firmware?