For those interested in the broader PS3 firmware landscape, a few points are worth noting:
Open the USB drive and create a new folder named (must be all uppercase). ps3 system software update 489 download link
This method is ideal if you want to install the specific 4.89 firmware file you downloaded or if your PS3 does not have an active internet connection. For those interested in the broader PS3 firmware
This update was primarily focused on rather than performance or new features: How to update PS3 console system software - PlayStation Although it's an older system, Sony continues to
The PlayStation 3 (PS3) is a legendary gaming console that still holds a special place in the hearts of many gamers. Although it's an older system, Sony continues to support it with periodic software updates. The latest update, version 4.89, aims to improve system stability and security. In this guide, we'll walk you through the process of downloading and installing the PS3 system software update 4.89.
The final path should look like this: USB:\PS3\UPDATE\