The Content ID is a unique string assigned to every PlayStation asset. It dictates the region, publisher, and specific content type. A standard ID looks like this: UP0001-CUSA00123_00-GAME000000000000 . Title ID (CUSA)
Each "Entry" in a PS4 PKG is a structure (typically 32 bytes) containing: ps4 pkg list
To install custom or backup PKG files, your PS4 must run a compatible firmware version (such as 9.00 or lower) and have a payload environment (like GoldHEN) active. Prerequisites A jailbroken PS4 console running GoldHEN or Mira. The Content ID is a unique string assigned
Check your PKG list via PC tools to verify the region IDs match. ps4 pkg list