will limera1n jailbreak iphone 4 ios 4.2.1?

[BarryBonto]

im wanting to jailbreak my new iphone
i jailbroke my last iphone my friends iphone my ipod touch and 3 of my friends ipod touches with no problems

 

[Unregistered]

hey

hey im trying figure out the same thing, have you had any luck so far??????????, i also have 4.2.1 version iphone4