What's new in PlayStation3 System Software version 4.76/4.75!
An update to the PS3™ system software was released on September 3, 2015. You can use this update to upgrade your system software to version 4.76.
If your PS3™ system software version is 4.76 (or later), you do not need to perform this update. To check the version of your system software, go to 
(Settings) > 
(System Settings) > [System Information].
(PSN℠) have been changed to 
(PlayStation™Network).
You can Download PS3 4.75/4.70 Jailbreak From Here.
(Settings) > (System Settings) > [System Information].About PlayStation3 system software update version 4.76 (including 4.75)
PS3 system software version 4.76 was released on September 3, 2015. Version 4.76 adds or updates the following features.Main features in system software update version 4.75 (including 4.75)
System software stability during use of some features has been improved.Main features in system software update version 4.70
The name and icon for(PSN℠) have been changed to (PlayStation™Network).You can Download PS3 4.75/4.70 Jailbreak From Here.