The short answer is .
On a FAT32-formatted USB drive, create a folder named PS3 , then a folder inside that named UPDATE . ps3 system software update 4.90 download
Sony’s official patch notes for 4.90 are notoriously vague. Usually, they read: "This system software update improves system performance and stability." However, data miners and community testers have identified specific changes in 4.90: The short answer is
| Error Code | Meaning | Solution | | :--- | :--- | :--- | | | Network timeout during download | Use a wired Ethernet connection. Change DNS to Google (8.8.8.8, 8.8.4.4). | | 8002F994 | Corrupt update file (USB method) | Re-download PS3UPDAT.PUP from Sony. Reformat USB to FAT32. | | 8002F147 | Hard drive read error | Your HDD may have bad sectors. Run a scan via Safe Mode (Option 3). | | 80710016 | PSN certificate mismatch | You must install 4.90. If you already did, sign out and back into PSN. | | SU-42124 | BD-ROM drive mismatch (for Fat models) | Update 4.90 checks for the original Blu-ray drive. If yours was replaced, reinstall the original drive temporarily. | Usually, they read: "This system software update improves