Help with downgrade 4.70 to 3.55

J

jowiflow

Hello everyone this is my first tread here im really new on this kind of topic and i am really lost trying to understand.

First point is a Q: If there any possible way that i can downgreade my ps3 from ofw 4.70 to 3.55?
Q: Can i doit without losing any data?
Q: Do i need E3 for downgrade the version or theres another way that i could possibly use to not open my ps3?

Second Point is, My ps3 is from 2010 CECH 2501B 320GB Slim. I read some info says ps3 from that year cames in 3.40 to 3.50 versions but im not 100% sure if that true.

I tried to downgrade couple times with different methods and closest i reach was on 71% cfw fail with error, but i didnt knew that i need to downgrade before use a cfw.
When i try to downgrade version from 4.70 ofw to 3.55 ofw says not compatible or something like that. (Im really sorry but my ps3 is in spanish and i doesnt know english very well)

On this case can sum1 really help me treathing me like the noob guy that i am on this type of topics?

I REALLY WILL APPRECIATE ALOT

THANKS
 
Last edited:
Thanks for fast answer but im still with no response for the other Q...
When i downgrade i lose all data and games in hard drive?
Cause theres couple games like GTA 5 and Destiny that i bought from ebay on Digital version (not phisicall) and i dont want to lose them.
 
You will not lose any data downgrading. You will need a hardware flasher to do this but use the minvercheck.pup to make sure you can downgrade. As long as it is 3.56 or below a E3 or teensy++ will work for you.
 
jowiflow said:
Thanks for fast answer but im still with no response for the other Q...
When i downgrade i lose all data and games in hard drive?
Cause theres couple games like GTA 5 and Destiny that i bought from ebay on Digital version (not phisicall) and i dont want to lose them.
Click to expand...

Read Chapter I Here

3.55 patches will format the hard disk you need to patch it with no-Fsm patches so the hd will not be formated
 
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