SU-30746-0 blocks PS4/PS5 firmware updates when storage is low or the update file is corrupted.
Usually client-sideUpdated 2026-06-11
Safe Mode update
If SU-30746-0 repeats, install the update via USB in Safe Mode using Sony's official file.
How to fix step by step
- 1Free at least 1 GB storage (more for major updates).
- 2Restart PS in Safe Mode → Update System Software.
- 3Use wired LAN for download.
- 4Delete failed update file and retry.
- 5Download update to USB from PlayStation.com on PC.
- 6Contact Sony support if hardware storage fails.
How SU-30746-0 differs from related codes
- Error CE-34878-0: PlayStation failed to download or install a game update. (usually client-side)
- Error NW-31201-7: PlayStation Network could not connect to the server — DNS or PSN outage. (server or client)