Best if your PS3’s Wi-Fi is broken or you want a backup file.

The update is mandatory if you use any network feature or watch movies.

If you want to access the PlayStation Network (PSN) or use online features for your games, this update is required. How to Download and Install You can update your system using two primary methods:

Create a folder named , and inside that, a folder named UPDATE .

The most significant functional change was an update to the Blu-ray Disc player encryption keys. Blu-ray players require periodic updates to their "Host Revocation Lists" and "Content Revocation Lists" to play newer movie releases. Without this update, PS3 owners would eventually lose the ability to play newer Blu-ray movies due to AACS (Advanced Access Content System) expiration.