Servers may go offline from time to time. If necessary, consider connecting the console to the router with a network cable.
If you use wifi at home, make sure that the signal is not constantly disconnecting as this might interrupt the updates.
To see how fast the internet speed on your PS4 is, you can perform a network speed test. Make sure that you have at least 3Mbps speed on your console. In order to have uninterrupted downloads of games and updates, your PS4 needs a decent internet speed. Internet connection is slow or intermittent. There are a few reasons why your PS4 won’t install an update. Why your PS4 won’t download or install updates? Let’s see how you can go about fixing your own update issue. Fortunately, update issues may be common but they are also some of the easy issues to address. Sometimes though, a PS4 may not update at all. For these reasons, you have no reason really to prevent system updates. Some games won’t also go online if your console’s software is not running the latest update. While you can definitely use your PS4 console right out of the box, software updates are necessary to fix known issues and bring new under-the-hood changes. If your PS4 won’t update and you have no idea why that is, this troubleshooting guide should help.