R-SIM AIR2 unlock for iphone 5s/5c/5/4s ios6.x-7.1-7.x
Attention: not only iphone4s, it can also be general in
iphone5/5c/5c, not only sprint ,it also use the AT&T,
t-mobile,cricket, etc,it is not onlu a iso7.1 , it can also be
ios6.x-7.x, it not just to get to the internet in 2G, it...