Sony just released PS3 firmware version 4.83, which breaks some components of the PS3Xploit jailbreak. One of the main developers behind PS3Xploit has tweeted his warnings about upgrading and it’s advised that anyone with (or who was planning) a jailbreak should stay on the 4.82 firmware.
4.83 PS3 Update Confirmed to at least break some shit! 😒— Jason Borowski (@esc0rtd3w) October 11, 2018
DO NOT UPDATE AT THIS TIME IF YOU WANT TO KEEP ANY MODIFICATIONS!!