Where do u see the unlocking market for it?
virgin uses sprint towers. In general what's the coverage of sprint rated as in comparison to AT&T, t mobile and Verizon?
What location?
From Unlock your Virgin Mobile iPhone for use with international carriers. Will not work on domestic GSM / USA carriers, only for use outside the USA, or Virgin Mobile while within the USA (you do not lose that ability).
what abt can it be used for verizon and sprint after unlock?