GEVEY SIM OR UNLOCK YOUR IPHONE 4 on ios 4.1 & 4.2
some chinese guys has announced gevey sim for iphone 4 which is supposedly unlocks iphone4 with 4.1 and 4.2 firmware.
here is an official website: GEVEY SIM
and here is the video where it is shown how it's works :GEVEY
as i know this company had already announced such a product for 3G
and it worked well.
This great solution should be available on 18 march
you can see it at their partners website too : http://applenberry.com/store/ applenberry cell phone repair | Specialized in iPhone and BlackBerry repairs | Oakland, San Francisco Bay Area