![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/27qbbg1gfcg51.jpg?width=3264&format=pjpg&auto=webp&s=60fd1fa31d2acd5eaad569257bbd5e13ae78d397)
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
PlayStation 3 System Software Update (Version 2.0) (USA) (En,Fr) : Free Download, Borrow, and Streaming : Internet Archive
![Complementary assessment of As, Cu and Zn environmental availability in a stabilised contaminated soil using large-bore column leaching, automatic microcolumn extraction and DGT analysis - ScienceDirect Complementary assessment of As, Cu and Zn environmental availability in a stabilised contaminated soil using large-bore column leaching, automatic microcolumn extraction and DGT analysis - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S004896971933102X-gr2.jpg)