First at all: stay away of video
tutorials, they only works for click bating and almost always are outdated.
You could read about the process on:
for update the
sigpatches, you need:
- Make a backup of the file, SD:/bootloader/hekate_ipl.ini
- download the zip files ones on
- and uncompress the zip file on the root of your SD card, if you are prompted to replace files choose "yes"
- restore the backup of SD:/bootloader/hekate_ipl.ini
- restart your console.
let us to know if works for you.