Can I use redsn0w 0.9.10b3 to jailbreake iOS 4.2.1?

[miki1969]

Redsn0w 0.9.10b3 for iOS5.
Can I use this redsn0w 0.9.10b3 for update my iPhone 4 from iOS 4.1 to 4.2.1 with preserving baseband for unlock and then jailbreak4.2.1with?.I don't want to upgrade to ios5 at this moment! Please help me with this Q.... Thanks

 

[TriJetHero]

No that redsn0w is specifically made for 5.01

But you can jailbreak 4.2.1 with jailbreakme.com

just go to jailbreakme.com on mobile safari on your phone and free your IP4!

 

[Dwalls90]

Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)

No that redsn0w is specifically made for 5.01

But you can jailbreak 4.2.1 with jailbreakme.com

just go to jailbreakme.com on mobile safari on your phone and free your IP4!

Jailbreakme should only work on 4.3.0-4.3.3 actually.

Redsn0w has been updated to support it.

 

[labman]

Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)



Jailbreakme should only work on 4.3.0-4.3.3 actually.

Redsn0w has been updated to support it.

this new versions of redsn0w are smarter!