Sony released a new PlayStation 4 system firmware update a day ago, which makes some more performance improvements. As usual, the patch notes do not specifically improve the update but users are advised to update for improved usability and enhanced security.
t necessarily be prompted to install version 6.51. According to Sony's official notice, both updates are now compliant with one so if you have somehow skipped the last update, then this one's mandatory for you to go online.
As a reminder, here's what the latest updates do:  Main feature in system software update 6.51 (includes 6.50)
This system software update improves system performance
Main feature in system software update 6.50
You can now enjoy Remote Play on iOS devices. You can use (PS4 Remote Play) to connect to your PS4 system from devices such as smartphones and tablets. Download (PS4 Remote Play) from the App Store
Other features in version 6.50
You can now choose 720p when you broadcast using Niconico Live. This service is available only in certain countries and regions.
You can now change the button assignment to perform “Enter” operations from the O button to the X button. Select (Settings)> [System]and then select the checkbox for [Use X Button for Enter]. This option is available only for specific countries and regions.
If you are wondering about the potential of your PlayStation Network ID then you will have to wait a little while longer. It's no secret that the much-awaited feature is in the works but Sony has neither revealed nor it's coming. However, the good news is that the company is also testing a feature that allows users to change their PlayStation Store regions through their consoles. Although this feature is live, it's not fully functional yet.
We'll update our readers when we have more information.