Quick Summary
Error code SU-42118-6 on PlayStation indicates a failure during the system software update process. This usually means the update file didn't download correctly, there was an interruption during installation, or there is a problem with the PlayStation's storage.
Common Causes
- Corrupted Update File: The update file downloaded may be incomplete or corrupted, preventing successful installation.
- Network Interruption: An unstable or interrupted internet connection during the download or installation process can cause this error.
- Storage Issues: Insufficient storage space or corrupted data on the PlayStation's hard drive can prevent the update from installing.
- System Software Glitch: A temporary system software glitch can sometimes interfere with the update process.
Step-by-Step Fixes
Method 1: Restart the PlayStation
Step 1: Fully power down your PlayStation console. Do not just put it into rest mode.
Step 2: Unplug the power cord from the back of the console and wait for about 30 seconds.
Step 3: Plug the power cord back in and turn on the PlayStation.
Step 4: Retry the system software update.
Method 2: Check Network Connection
Step 1: Ensure your PlayStation is connected to a stable internet connection, preferably using a wired (Ethernet) connection.
Step 2: Test your internet connection by going to Settings > Network > Test Internet Connection on your PlayStation.
Step 3: If you're using Wi-Fi, try moving the console closer to the router or switching to a wired connection. Restart your router.
Step 4: Retry the system software update.
Method 3: Download the Update File Again
Step 1: Navigate to Settings > System Software Update on your PlayStation.
Step 2: If the update file is already downloaded, delete it. If not, skip this step
Step 3: Start the system software update process again to download a fresh copy of the update file.
Method 4: Update via Safe Mode
Step 1: Fully turn off your PlayStation.
Step 2: Press and hold the power button until you hear two beeps (the second beep will occur about 7 seconds after the first). This will boot the console into Safe Mode.
Step 3: Connect a USB drive containing the latest PlayStation system software update file to your console.
Step 4: Select 'Update System Software' from the Safe Mode menu.
Step 5: Follow the on-screen instructions to install the update.
Note: You need to download the update file onto a USB drive using a computer, which you can get from the PlayStation website.
Method 5: Free Up Hard Drive Space
Step 1: Go to Settings > Storage on your PlayStation.
Step 2: Review the available storage space and identify any games, applications, or media files that you can delete or move to an external storage device.
Step 3: Delete unnecessary files to free up sufficient space. A minimum of a few gigabytes is recommended.
Step 4: Retry the system software update.
Method 6: Initialize PlayStation (Last Resort)
Warning: Initializing your PlayStation will erase all data on the console. This is a last resort option.
Step 1: Boot your PS into Safe Mode (hold the power button until you hear a second beep).
Step 2: Select 'Initialize PlayStation' (choose the option that suits your needs, noting that a full initialization is more thorough but takes longer).
Step 3: Follow the on-screen instructions.
Step 4: After initialization, you will need to reinstall the system software. You will need update file on a usb device.