Ensure the folder names on your USB drive ( PS3 and UPDATE ) are completely capitalized. Check that the file is named exactly PS3UPDAT.PUP .
This update was primarily focused on rather than performance or new features: How to update PS3 console system software - PlayStation ps3 system software update 489 download link
PS3 System Software Update 4.89 Download Link: Complete Installation Guide Ensure the folder names on your USB drive
Create a new folder named (must be in all capital letters). ps3 system software update 489 download link
You can no longer create new PSN accounts or perform certain account management tasks directly on the PS3 console. These must be done via a PC or mobile browser. PlayStation How to Update via USB