![What is this PS3 System Software Update Disc? How it was made available? Are there more like this? - Arqade What is this PS3 System Software Update Disc? How it was made available? Are there more like this? - Arqade](https://i.stack.imgur.com/oazNJ.png)
What is this PS3 System Software Update Disc? How it was made available? Are there more like this? - Arqade
![What is this PS3 System Software Update Disc? How it was made available? Are there more like this? - Arqade What is this PS3 System Software Update Disc? How it was made available? Are there more like this? - Arqade](https://i.stack.imgur.com/3BByc.png)
What is this PS3 System Software Update Disc? How it was made available? Are there more like this? - Arqade
![PS3 System Firmware on Multiman shows 4.75, but when I check in system information in the xmb menu it shows 4.86. Is this normal? Is there any way/should I upgrade it to PS3 System Firmware on Multiman shows 4.75, but when I check in system information in the xmb menu it shows 4.86. Is this normal? Is there any way/should I upgrade it to](https://preview.redd.it/v5cggceyfcg51.jpg?width=640&format=pjpg&auto=webp&s=6d9b8fe3770d84f6459aa40570772dcac2de4894)
PS3 System Firmware on Multiman shows 4.75, but when I check in system information in the xmb menu it shows 4.86. Is this normal? Is there any way/should I upgrade it to
![What is this PS3 System Software Update Disc? How it was made available? Are there more like this? - Arqade What is this PS3 System Software Update Disc? How it was made available? Are there more like this? - Arqade](https://i.stack.imgur.com/zLSjR.png)
What is this PS3 System Software Update Disc? How it was made available? Are there more like this? - Arqade
![PS3 System Software v.4.21: F/W Only (USA) : Free Download, Borrow, and Streaming : Internet Archive PS3 System Software v.4.21: F/W Only (USA) : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/download/ps3systemsoftwarev.4.21fwonlyusa/PS3%20System%20Software%20v.4.21%20-%20F-W%20Only%20%28USA%29.png)