R-SIM AIR2 is specially made for USA SPRINT iOS 7.1.X iPhone 5S,5C,5,4S Unlocking and Activation. Supports all Network provider SIM cards 2G,3G,4G and 256K/128K/64k sim cards. Supports iOS 5/6/7. You will have FULL Calls/SMS/3G/4G/LTE with PATCH. R-SIM air2 built for SPRINT No set-up & no pop-menu Full auto mode for SPRINT,

R-SIM AIR 2 supports all GSM Operator simcards on iPhone SPRINT,To use PATCH type

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My Skype : r-simshop
TEl/whatsapp +86 15920070159
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Many thanks and best regards!