A new firmware update for the PS4 is now available to download, updating the console to v6.70. The new update is currently optional, which means your console does not need to be updated to access the PlayStation Network.
However, you may need to update your console if a game you’re trying to play required the latest version. The update doesn’t add any new functionality to the system, and is intended to improve stability.
PS4 Firmware 6.70 Changelog
- This system software update improves system performance.