Save updates and Update PS3 without USB using HDD
- Make a folder in dev_hdd0 called updater
- Inside the updater folder, make as many folders as you want for each update file in the order (01, 02, 03, etc)
- Put each update in each folder (you can name the updates to whichever name you want (Example: PS3 DEX Downgrader.PUP)
- In System Update > 3rd option should say Update via System Storage or Update via Hard Disk etc > select the update you want
Make sure the update is the correct update