Post: Facts about downgrading from OFW 3.56
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02-07-2011, 11:56 PM
#1
Starek
Pokemon Trainer
Currently, There were countless method tried of doing it:
- Method with Restoring your System, and quickly going to Service Mode doesn't work.
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- Method of swaping flashdrives with different firmware doesn't work. It gets stuck usually at some point.
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- Method of bricking is also a fail (Envy_astro was making autobricker for OFW 3.56, but I don't know how it ended), because you can stuck in Service Mode forever.
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-Idea of using internal hard drive is also unsuccesfull, it works only for OFW lower than 3.56
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- Method with PS3Jig, which puts your PS3 into Factory/Service mode by using your PSP doesn't work either. It works only for OFW 3.55 and lower.
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User Musical-Phenix just send me a link to his video where he tested some of those methods.
As you can expect, they didn't worked for him either.
At this moment there is no CFW 3.56 yet.
You should also forget about any 3.56 CFW that you have found online. Especially, when they want you to take a "quick survey" to download your file. You can stay away from fakes like:
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and many more.
At this moment, there is NO 100% way to downgrade from OFW 3.56 to any older firmware..
You can pick more "pro" way trying to downgrade, read more here:
Originally posted by another user
Mathieulh: Twitter
About 3.56 if the updater/lv2diag application keyset revision is lower than 0x0D, lv2 will refuse to run it.
Mathieulh: the fail is the following anyway, decrypt your hdd cache partition /dev_hdd1 using the hdd decryption trick right after the 3.56+ updater starts (but before it updates) (just use the back switch), then replace the coreos package, with one you resigned which has 3.55 coreos but 3.56+ in info0 (or the value 0xA0 at offset 0x2C) then reencrypt the hdd partition and put the hdd back, because the
Mathieulh: update status flag will be set, the updater will start and flash the resigned 3.55 coreos package (the fail works because they haven't changed the packages signatures, not like they can)
Mathieulh: then you can use service mode again and flash whatever crap
Mathieulh: doesn't work on slims cause the hdd decryption trick is fixed there
Mathieulh: they btw can't fix it in the fat ones because it's hardware related
About 3.56 if the updater/lv2diag application keyset revision is lower than 0x0D, lv2 will refuse to run it.
Mathieulh: the fail is the following anyway, decrypt your hdd cache partition /dev_hdd1 using the hdd decryption trick right after the 3.56+ updater starts (but before it updates) (just use the back switch), then replace the coreos package, with one you resigned which has 3.55 coreos but 3.56+ in info0 (or the value 0xA0 at offset 0x2C) then reencrypt the hdd partition and put the hdd back, because the
Mathieulh: update status flag will be set, the updater will start and flash the resigned 3.55 coreos package (the fail works because they haven't changed the packages signatures, not like they can)
Mathieulh: then you can use service mode again and flash whatever crap
Mathieulh: doesn't work on slims cause the hdd decryption trick is fixed there
Mathieulh: they btw can't fix it in the fat ones because it's hardware related
Source:
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Peace.
The following 15 users say thank you to Starek for this useful post:
02-08-2011, 04:18 AM
#12
I_HACK_SO_WHAT
Do a barrel roll!
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02-08-2011, 05:11 PM
#16
iTruceFret
[move]From now on, call me DRAGON.[/move]
02-08-2011, 06:10 PM
#17
Louis_-_95
Error… Cat invasion!
02-08-2011, 06:14 PM
#18
ResistElite,
Banned
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02-08-2011, 07:24 PM
#19
Starek
Pokemon Trainer
Originally posted by 95
so is there absolutly no way to downgrade? cus i want plats 
hahaha 
reply please or pm me
hahaha reply please or pm me
At this moment you cannot downgrade with any method. You must wait for a way to downgrade or a new CFW (or new OFW and then CFW for it).
Originally posted by PHOENIX
I havent downloaded a patch for my ps3 in ages? so could i still hack it?
By that do you mean you heaven't updated to newest firmware ? If so, you should update to 3.55 OFW, and then get some 3.55 CFW.
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