Right-click the first part and use 7-Zip or WinRAR to "Extract Here". This will merge them into a single .pkg file. : Format a USB drive or external HDD to exFAT .
The specific string UP0571-CUSA17246_00-HAMPRDC000000001 is the , which breaks down as follows: UP0571 : The publisher ID (Hamster Corporation). Right-click the first part and use 7-Zip or
This identifier refers to for the PlayStation 4. Right-click the first part and use 7-Zip or
If you have downloaded these files as a multi-part RAR archive, follow these steps to prepare them for a jailbroken PS4: : Place all numbered RAR parts in a single folder. Right-click the first part and use 7-Zip or