R-SIM AIR2, which perfectly supports IOS7.1 of Sprint,
ATT, T-Mobile, Cricket etc, is coming soon. This is the
firstunlock card for IOS7.1 of Sprint all over the world. At the
meantime, it is general work on IOS6.X-7.X of 4S/5/5C/5S.
Detail information will be released on our web:
http://www.rsim5.com
please pay close attention.