An update liken that would be mandatory, but this is not a mandatory update. There has been a widespread crashes for some minority of gamers and Sony.

The system automatically searches for and finds the latest version of the update data.
If a new version of the system software is found, an update is necessary. Press the button to start downloading the update data.
Follow the on-screen instructions to perform the update.
After the update has been completed, go to (Settings) > (System Settings) > [System Information].
If the [System Software] field displays the version number of the update, the update was successful.
Access to and use of the PS3 system software update are subject to your acceptance of the System Software License Agreement located here. Before downloading the system software update, you should carefully read and understand the terms of the System Software License Agreement.
BY DOWNLOADING THE PS3 SYSTEM SOFTWARE UPDATE, YOU ARE INDICATING THAT YOU AGREE TO THE TERMS OF THE SYSTEM SOFTWARE LICENSE AGREEMENT LOCATED HERE
Notice
Be sure to save the update data as noted below. If the data is not saved in the correct way, the PS3™ system will not recognize the update data. The folder name must be in all uppercase letters.
Notice
The system automatically searches for and finds the update data saved on the storage media or USB device.
Press the button to start the update. Follow the on-screen instructions to complete the update.
After the update has been completed, go to (Settings) > (System Settings) > [System Information].
Netgear nighthawk x6s ac4000 problems. The first, it detects whether there is a wireless network around the computer via radio and also tuning connecting the receiver to a detect an incoming signal. Transreceiver called a wireless adapter. The wireless adapter does some jobs.
If the [System Software] field displays the version number of the update, the update was successful.
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You can delete the update data from the storage media or USB device after the update has been successfully completed.
If a screen prompting you to update is displayed when you start a game, you must perform a system software update to start the game. Select [Yes], and then press the button to start the update. Follow the on-screen instructions to complete the update.
After the update has been completed, go to (Settings) > (System Settings) > [System Information].
If the [System Software] field displays the version number of the update, the update was successful.
*An appropriate USB adaptor (not included) is required to use storage media with some models of the PS3™ system.