PS3 firmware downgrade

Latif786

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Hey guys i want to know how to downgrade my ps3 software from 3.56 - 3.55
 
i guess you want to hack the ps3 ?


How to access Playstation 3 SAFE MODE[ Edited ] Options
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What is Safe Mode and how do I enable it on my PLAYSTATION®3 computer entertainment system?



Safe mode is a feature for starting the PS3™ system with the "minimum required functionality" if the system is no longer able to start up normally due to an action was taken (such as turning off the system's MAIN POWER switch while data was being written to the hard disk drive). By starting up the system in safe mode then executing a menu option, you may be able to eliminate the symptom. Please note there is a chance that safe mode options will not fix the problem and you system will require service.



We do not recommend using the options in Safe Mode unless you are experiencing issues with the PLAYSTATION 3. Some of these options could result in loss of data.



If you choose to perform one of the Safe Mode options, please back up your data before attempting to enter safe mode (when possible).

Safe Mode is only available to PS3's with system software 2.60 or greater installed.



When to Use Safe Mode



Execute safe mode when the PS3™ is experiencing the following symptoms:

When the PS3™ system is started up, the XMB™ menu is not displayed (only the wave screen background appears)
When the PS3™ system is started up, nothing appears on the screen
When the PS3™ system is started up, a message stating [The hard disk's file system is corrupted and will be restored.] is displayed > [OK] > Restore operation > Restart
Original message is displayed again or the system stops during restoration.
When the PS3™ system is started up, a message stating [The hard disk's database will be rebuilt.] is displayed > [OK] > Rebuild > Failure > System stops while formatting hard disk drive.
The system stops while restarting after a PS3™ system update or while updating or rebuilding the database. The situation does not improve even when the system is restarted.




Safe Mode Options



In Safe Mode, you will have the following options:

Restart System - Ends safe mode and starts up the PLAYSTATION 3 normally.
Restore Default Settings - Performs the same operations as [Restore Default Settings] on the XMB™, and also deletes PlayStation®Network account information from the system.
Restore File System - Attempts to repair all areas on the hard disk drive where files can be saved. Corrupted data may be erased if it cannot be recovered.
Rebuild Database - Deletes messages, playlists, changes made on [Information] screens, trimming information for pictures in [Photo], video thumbnails, video playback history and video resume information.
This operation may take a long time depending on the type and number of data items.
Restore PS3 System - IMPORTANT: All data will be lost by performing this step.
This will reformat the hard drive on the PLAYSTATION 3, deleting all data and restoring it to as if it just came out of the box. This is the same as [Restore PS3 system] on the XMB.
System Update - Updates the PS3 system software. This can only be done with an update file already saved on an external storage media.


Activating Safe Mode



Step 1: Turn off the PLAYSTATION 3 by holding the Power button on the front of the unit till the Power light is red.



Step 2:

Touch and hold the Power button, you will hear the first beep, meaning the PLAYSTATION 3 is powering on.
Continue to hold the Power button and after about 5 seconds, you will hear a second beep, indicating the video reset.
Continue to hold the Power button and after about another 5 seconds you will hear a third beep and the system will power off (Power light is red).


Step 3:

Touch and hold the Power button, you will hear the first beep, again for the PLAYSTATION 3 to power on.
Continue to hold the Power button and after about 5 seconds, you will hear a second beep for video reset.
Continue to hold the Power button and after about another 5 seconds you will hear a quick double beep. At that point release the Power button. If you succeeded in activating Safe Mode, you will see a message on the screen saying, "Connect the controller using a USB cable and then press the PS button."



Connect a USB cable to the controller and the PLAYSTATION 3 and press the PS button to enter Safe Mode.
Then you will see the Safe Mode menu.





Step 4: We recommending performing the safe mode options in the following order until one of the options works for you. If one of the options work, do not continue onto the other options.

Restore Default Settings
Restore File System
Rebuild Database
Restore PS3 System
Message Edited by Smpage on 10-10-2009 03:56 PM

Sony Computer Entertainment America
M-SAT 6:00 a.m. - 8:00 p.m. PST
Sunday 7:00 a.m. - 6:30 p.m
800-345-7669 (800-345-SONY)
How to access Safe Mode on ps3
 
I don't understand how the above post get you to 3.55? Am I missing it, or should I do something in safe mode?
 
Restore PS3 System - IMPORTANT: All data will be lost by performing this step.
This will reformat the hard drive on the PLAYSTATION 3, deleting all data and restoring it to as if it just came out of the box. This is the same as [Restore PS3 system] on the XMB.
 
Restore PS3 System - IMPORTANT: All data will be lost by performing this step.
This will reformat the hard drive on the PLAYSTATION 3, deleting all data and restoring it to as if it just came out of the box. This is the same as [Restore PS3 system] on the XMB.

Have you actually tried this? If the firmware is stored on internal flash memory, and I'm sure it is, I'll almost be willing to bet that it will simply restore the system to 'as new' state with the latest firmware you had installed intact.
 
I know a dude that can 'rollback' firmware but when I spoke to him about rolling back from 3.56 to 3.55 or even from 3.55 to 3.50, he advised against it. Can't remember exactly why now, something about you could end up 'bricking' the PS?

If you decide to do it though, rather make sure of your facts.
 
Restore PS3 System - IMPORTANT: All data will be lost by performing this step.
This will reformat the hard drive on the PLAYSTATION 3, deleting all data and restoring it to as if it just came out of the box. This is the same as [Restore PS3 system] on the XMB.

The firmware is not stored on the hard drive so doing a restore of any kind won't work.

For the general population I say no it can't be done. But using CFW and a bunch of hack and tricks its sometimes possible to downgrade from 3.56. But currently chances are you will brick it. If you were on 3.55 then its do-able but on 3.56 its a whole lot harder.
 
Just make sure you follow the instructions carefully. I'm not sure if it was a huge coincidence but a friend bricked his ps3 after hacking it
 
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