It is apparently possible to revert your PS4 to its previous firmware version, without any backup - Wololo.net
How to Restore Default Settings on a PlayStation 3 - Support.com TechSolutions
How to Jailbreak a PS3 (with Pictures) - wikiHow
Enter PlayStation 3 (PS3) Recovery Mode & Restore Custom Firmware 3.55
Help my ps3 won't recognise the usb installer : I swapped out the hdd for a sad and I'm trying to put the original firmware back on the drive and then I'm
Factory Service Mode - PS3 Developer wiki
PS3 Slim , no wifi , no blutooth? | GBAtemp.net - The Independent Video Game Community
Linksys Official Support - How to delete the Network Settings on your PlayStation®3
How to reset a PlayStation 3
Just got a used PS3. Factory reset it and now it when I try to set it up it reverts back to this screen. I've tried File and System restore in safe
PS3 recovery mode: without controller, not working
How to Factory Reset a Sony PlayStation 3 - YouTube
What happens to the PS3 if you reset it? - Quora
1 Set Board Hard Drive Tray Downgrade Tool For Ps3 E3 Nor Flasher Console Parts Firmware Backup Downgrade Tool - Accessories - AliExpress
PS3 System Software 4.85 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
Digital PlayStation 3 Purchases May Only Live As Long As Your PRAM Battery Without Sony Servers | Hackaday
How to install PlayStation 3 custom firmware, run homebrew - AfterDawn
PS3: CFW Evilnat 4.89.3 released - Wololo.net
Merkur Handelshochschule Beweisen ps3 bios reset Gutes Gefühl Schrei Lange
PS3 Firmware 4.82 released, one year after last update & mere days after 4.81 exploit revealed - Wololo.net
Few days ago my ps3 had a malfunction and telling me to update its software. So i had to manually update via USB. Right now it says its stuck at 73%, been
HOW TO FIX PS3 - NEW HARD DRIVE & UPDATE INSTALL - YouTube
PS3: CFW Evilnat 4.89 Cobra 8.3 (CEX) released - Wololo.net