Updating your PlayStation 4 to is a specific requirement for many users, particularly those interested in the homebrew and jailbreak scene. Because Sony's automatic updates will always push the newest available version (which is currently well beyond 9.00), you must perform a manual update via USB. Essential Preparation
: Navigate to Settings > System > Automatic Downloads and uncheck everything. ps4 900 firmware download install
Before you begin, you must take these steps to ensure your console does not accidentally update to a newer, non-exploitable version. Updating your PlayStation 4 to is a specific
: Go to Settings > System > System Information . Ensure your version is lower than 9.00 . If it is already higher, you cannot downgrade to 9.00. ps4 900 firmware download install
: The file must be named exactly PS4UPDATE.PUP (all caps).