Sony released the latest firmware update ( 1.51 ) yesterday. The update will download automatically, so you do not need to do anything. This update improve the stability of system software, also minor refinements to elements of the system UI, which will clear the indicating after downloading the game or patch. Changelog: System Failures Error Fixed Constant Ejecting Disk Fixed Beeping Issue PS4 Constantly Freezing Fixed Unrecognizable Disc Error Fixed There are still some errors remaining such as Game Crash, Save Game Corrupt, Sound loop and also having the Black Screen Error. Sony and Game owners are looking into it, so that they can fix these errors ASAP.
