Can the iphone 3gs os 3.1.3 firmware 05.12.01 Model MB be jailbroken?

Ed C

New member
I have a iphone 3gs. I was jailbroken with blackra1n. Something went wrong with my phone and I had to update the os. I did not have my cydia in SHSH hash. The firmware is 05.12.01. I know they say that we can jailbreak it if we have an old bootrom. How do you check it to see which bootrom your phone has? My iphone Model # starts with MB. I know they say you cannot jailbreak it if it starts with MC. Will my iphone jailbreak with blackra1n now? Any help would be greatly appreciated.
 
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