At around 460MB, PS4 update 6.50 is available to download right now.
According to the patch notes, the new update provides more than just stability improvements.
The major new feature is remote play for iOS devices. With the update installed, PlayStation 4 owners can connect their console to their Apple iPhone and iPad.
If you want to take advantage of the big new feature, you’ll need to download the Remote Play app from the iOS App Store.
Other new features include the ability to choose 720p when broadcasting from Niconico Live.
There’s also a new option to reassign the buttons to perform the enter operation.
Main Features in Version 6.50 Update
• You can now enjoy Remote Play on iOS devices. You can use (PS4 Remote Play) to connect your PS4 system from devices such as smartphones and tablets. Download (PS4 Remote Play) from the App Store.
Other Features
• 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 Circle 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.