Boom BOOM G860P Unlock done
 

UNLOCK INSTRUCTIONS:
Micro-USB cable:
1. Phone must be powered on.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Type *#9090# and choose 'DM/DUN over HSIC'.
4. Reboot phone.
Or use 'Activate Diag' function from 'Repair' tab.
5. Connect USB cable, install drivers if needed.
6. Select Samsung diagnostic port in port settings.
7. Press 'Unlock' button for direct unlock.

Operation: Unlock SPRNT
Selected model: SM-G860P
Selected port: COM230 SAMSUNG Mobile USB Serial Port
Software version: 22.2

Waiting ADB device... OK
Reading phone info...
Model: SM-G860P
Android version: 5.0
Product code: Not Active
Phone version: G860PVPU2BOC5
PDA version: G860PVPU2BOC5
CSC version: G860PSPT2BOC5
CSC country code: USA
CSC sales code: SPR
HW version: G860P.04
Phone S/N: 00000000000
Modem board: MSM8974PRO
RF cal date: 2014.12.22
IMEI:
Initialization AT RIL... OK
Check lock status... OK
Unlocking... OK
Rebooting phone... OK
Unlock done

Done with Samsung Tool PRO v.22.2

but you can use with any sim card?? in usa ??

I dont that I m from India

Waiting ADB device... OK
Reading phone info...
Model: SM-G860P
Android version: 6.0.1
Product code: Not Active
Phone version: G860PVPU2CPH4
PDA version: G860PVPU2CPH4
CSC version: G860PSPT2CPH4
CSC country code: USA
CSC sales code: SPR
HW version: G860P.04
Phone SN: 00000000000
Modem board: MSM8974PRO
RF cal date: 2014.07.10
IMEI:
Checking Super user right... true
Initialization AT RIL... OK
Unlocking... OK
Rebooting phone... OK
Unlock done

Done with Samsung Tool PRO v.26.8

How to put DM+MODEM+ADB mode

Type *#0808# and select 'DM+MODEM+ADB

'dm+modem+adb
 

For sprint use ##3424#