PlayStation Error Code SU-30733-6 — What It Means & How to Fix It

What Does This Error Mean?

SU-30733-6 means your PlayStation could not complete a system software update. The update was either interrupted or failed to download properly. This is fixable and your console is not damaged.

Affected Models

PlayStation 4
PlayStation 4 Slim
PlayStation 4 Pro
PlayStation 5
PlayStation 5 Digital Edition

Common Causes

Your internet connection dropped during the update download
Not enough free space on the hard drive to install the update
The downloaded update file became corrupted before it could install
PlayStation Network servers had a problem while delivering the update
A USB drive used for the update had the wrong file or was formatted incorrectly

How to Fix It

Delete the failed update. Go to Notifications, find the update, and delete it. Then go to Settings > System Software Update and try downloading it again.

The partially downloaded file may be corrupted. Starting fresh often works.
Check your available storage. Go to Settings > Storage. You need several gigabytes of free space for the update to download and install.

Delete games or apps you no longer use to free up space before retrying.
Restart your router, then try the update again. A stable internet connection is essential for large system updates.

Using a wired Ethernet cable during the update will reduce the chance of the connection dropping.
Try updating in Safe Mode. Turn off your PlayStation, then hold the power button for 7 seconds. In Safe Mode, select 'Update System Software' > 'Update via Internet.'

Safe Mode bypasses some system functions that can interfere with updates.
If all else fails, update via USB. Download the full system update file from PlayStation's official website onto a USB drive. Format a folder as PS4 > UPDATE > PS4UPDATE.PUP, then use Safe Mode > 'Update via USB Storage.'

Sony's support website has a step-by-step guide for USB updates with the exact folder structure needed.

When to Call a Professional

SU-30733-6 does not require professional help in almost all cases. If your console repeatedly fails to update and you have tried all the steps below, contact PlayStation Support. In rare cases, a hardware problem (like a failing hard drive) can prevent updates from installing.

Frequently Asked Questions

Is it safe to turn off my PlayStation during an update?

During the download phase, it is generally safe to pause or cancel. But during the actual installation (when the progress bar shows it installing), never turn off the console. Interrupting an install can corrupt the system software and cause serious problems.

How big are PlayStation system updates?

Regular updates are usually 500MB to 1GB. Major system updates can be 1GB to 2GB. Full reinstall files (for USB updates) are much larger — around 1 to 2GB for the full package.

What happens if I don't update my PlayStation?

Your console will still play games offline. But you will lose access to PlayStation Network, online multiplayer, and the PlayStation Store until you update. Some newer games also require a minimum system software version to run.