Samsung Galaxy S4 Sprint L720T 5.0.1 Unlocked.. 
Operation: Unlock
Selected model: SPH-L720T
Selected port: COM169 SAMSUNG Mobile USB Serial Port
Software version: 27.9
Waiting ADB device...
Please, allow USB debugging on phone... Ok
Reading phone info...
Model: SPH-L720T
Android version: 5.0.1
Product code: Not Active
Phone version: L720TVPUCOH1
PDA version: L720TVPUCOH1
CSC version: L720TSPTCOH1
CSC country code: USA
CSC sales code: XAS
HW version: L720T.03
Phone SN: 00000000000
Modem board: MDM9615M
RF cal date: 2014.04.03
IMEI:
Writing AT RIL... Ok
Initialization AT RIL... Ok
Unlocking... Ok
Rebooting phone... Ok
Unlock done
Done with Samsung Tool PRO v.27.9