Hacking help please, i can't update cfw

[rlobo]

hey guys,i'm on ferrox 4.75 and can't update cfw to 4.81
what i do is:
i create a PS3 folder on hdd0 and UPDATE folder then put the PS3UPDAT.PUP inside it just as you would do with usb but my ps3 can't find the update
i hope you guys can help,i do this on my internal storage because i don't have a flash drive or anything, thanks in advance

 

[mcd123]

Pretty sure it has to been done with a USB Pen an it has to be put into the USB closest to the blu Ray drive.

Pup files are less than 1gb so can pick up a cheap one easy enough.

 

[rlobo]

Pretty sure it has to been done with a USB Pen an it has to be put into the USB closest to the blu Ray drive.

Pup files are less than 1gb so can pick up a cheap one easy enough.

that's what I did brother, I got one of 4gb solely for updating purpose, thank you for your time