Does Pwned DFU mode allow an iPhone 4 to install any version of iOS?
I have read
- http://blog.nialbarker.com/824/dfu-pwned-dfu-soft-dfu-iphones-demystified
- http://www.blogonerd.me/2011/02/how-to-enter-pwned-dfu-mode-and-use.html
and watched
Then I come up with a question: Since Pwned DFU mode allows the iPhone to download an customized ipsw created from sn0wbreeze, does it mean that Pwned DFU mode allow an iPhone 4 to install(upgrade or downgrade) any version of offical iOS without requiring an SHSH blob for the corresponding iOS?
A screenshot to show the ipsw difference, using iPhone 4 ipsw with sn0wbreeze Simple Mode.