samsung S4 sph l720 invalid sin /no service

samsung S4 sph l720 invalid sin /no service

Domestic Unlock:
1. Power on the phone.
2. Enable ‘USB debugging’ in ‘Settings’-‘Developer options’,
tap 7 times on ‘Build number’ in ‘Settings’-‘About phone’ to enable ‘Developer options’.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press ‘Unlock Domestic’ button.

Operation: Unlock SPRNT
Selected model: SPH-L720
Selected port:
Software version: 24.3

Waiting ADB device… OK
Reading phone info…
Model: SPH-L720
Android version: 4.4.2
Product code: Not Active
Phone version: L720VPUAMDC
PDA version: L720VPUFNG2
CSC version: L720SPTFNAE
CSC country code: USA
CSC sales code: TGY
HW version: L720.08
Phone S/N: 00000000000
Modem board: MDM9615M
RF cal date: 2013.04.26
IMEI: 990003368598062
Initialization AT RIL… OK
Unlocking… OK
Rebooting phone… OK
Unlock done

Done with Samsung Tool PRO v.24.3