Use ps3 online without updating
If your PS3™ system software version is 4.85 (or later), you do not need to perform this update.To check the version of your system software, go to (Settings) .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 PS3™ system software version 4.85 was released on August 28, 2019.New for 4.82 This system software update improves the quality of the system performance.
New for 4.85 This system software update improves system performance.
And, yeah, Sony wants everyone to be using the latest firmware, so I'm going to guess it's extremely unlikely they're going to give you any way to get the free stuff.
Maybe if you're lucky, and not worried about the legal ramifications, the new PS3 firmware will get cracked badly enough to let you patch your PS3 to look like an updated PS3 and get the free stuff.
New for 4.84 This system software update improves system performance.
New for 4.83 This system software update improves system performance.
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If a new version of the system software is found, an update is necessary.