Yes. JB it
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Steps for unlocking Sprint 5s/c using Air2 / Mini2(v9.8)
1. Restore your iPhone through iTunes as a completely new device
2. Activate iPhone (preferably native sim card Sprint)
3. Make your JailBreak iOS
4. Before inserting the R-sim, go to "Settings" - "Cellular" and turn off all switches, including the "cellular data", "data roaming" and "3G". - Next Insert R-sim AIR2 and configure it by in the pop-up menu the following steps: «US SPR» - further model of your iPhone - more «iOS7.1.X». After this, remove the R-sim and put aside up to 13 points.
5. Run «Cydia» menu and install iFile iPhone: - this will make all the updates in Cydia (tab "Changes") - then go to the tab "Search" - recruit «iFile» - Press install - waiting for the completion of installation.
6. Run iFile icon menu iPhone
7. We pass on the directory: / System / Library / Carrier Bundles / iPhone
8. In the folder list, find «Sprint_CSIM_LTE_US.bundle» - Push the button «i» and rename the folder to «Sprint_CSIM_LTE_US_777.bundle»
9. Next on the list of folders find «CarrierLab.bundle» and rename it «Sprint_CSIM_LTE_US.bundle»
10. Close «iFile» and again run «Cydia»: turn to the tab "Source (Source)», click "Edit (Edit)» and «Add (Add)». Enter the address of repo: «www.isamteam.com», press "OK" and wait for the installation and restart Cydia.
11. We turn again to the tab "Source (Source)», select «SAMSIM & R-SIM Source» - more «All Packages» - choose «A: R-SIM iOS 7 5s/5C/5 ...» and install.
12. Reboot your iPhone
13. Insert the pre-configured R-sim (paragraph 3) and expect the appearance of the network. (In case the phone will go to "Activate", wait - this message can appear and disappear spontaneously several times).