R-SIM AIR 2 is specially made for USA SPRINT iOS 7.1-7.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 www.rsim5.com/patch on your iPhone Browser. BEST Solution for USA SPRINT is HERE
You can also use RSIM AIR2 for other iPhone Operators by selecting from the menu.. Settings + Phone + SIM Application
Step 2: After selecting the corresponding carrier, then selecting the right appropriate model and the iOS system (as the pictures show below).
Step 3: After selecting the corresponding carrier, please click "Accept". Restart the phone now and wait for the signal coming. If no signal appears after doing this, please repeat this step, and check whether you had a wrong operation method.
Step 4: If you choose the wrong carrier or need to re-set the default carrier in the process of unlocking IOS7.1.1 with R-SIM AIR2, please follow the steps as "Settings - Phone-SIM Card Application", then the R-SIM Air2 menu will show. Click the "Carrier Selecet", and choose the right carrier. R-SIM Air2 menu will pops up again. Then click ‘input IMSI’into manual input 7 digits carriers code mode. And click "lock carrier" to lock the former choosing carrier. After this, please repeat 'step 1' operation method from the beginning.