Originally Posted by DEFAULTDNB
I think going by date code would be far more exact then just "CECH-2501A"
There are multiple 25xx's for slims, and the "01" in the example above only means "us/canada" so people asking if a "CECH-2508A" would work could be asking about :
Russia, Ukraine, India, Central Asia 120gb or 160gb, JTP-001, 3.40
Russia, Ukraine, India, Central Asia 120 or 160gb, JSD-001, 3.40-3.50
or
The Russia, Ukraine, India, Central Asia 160gb JTP-001 with 3.60 min praxis....
Using date codes in addition might narrow it down?

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CECH-2508B
India, 3.40 factory firmware.
So i guess i am safe.
Just two more questions i would like to ask before installing this,
1. What if an update of this CFW or rebug 4.30 comes?Can i install that because after 3.55 some PUP signing keys are changed so we can't install CFW on FW more that 3.55, so i have to downgrade back to 3.55 to install another 4.21/4.30 CFW?
2. Will downgrading back to FW 3.55 wipe my HDD?(if i use
this method)