LG LS885 Unlock Failed

I am trying a domestic unlock right now I have a sprint lg LS 885 in the usa … im getting "unfortunately,the process com.android.phone has stopped" but the message will be gone if I relock the phone. I am trying to use it with ATT in USA. Here is the Logs :
Using Version…
Selected Model LG LS885

Searching ADB device Please wait..

Device Detected…
model:= LGLS885
Androids Version:= 4.4.2
Description Version:= jagc_spr_us-user 4.4.2 KOT49I.LS885ZV6 LS885ZV6.1439794545 release-keys
Platform:= msm8226 [ jagc ] [ msm ]
Baseband:= MPSS.DI.2.0.1.c1.15-00013-M8926DAAAANAZM-1
Factory Ver := LGLS885AT-00-ZV6-SPR-US-AUG-17-2015+01
Model & Firmware Ver := LS885ZV6
Network Mode := 8
Simstatus:= CARD_IO_ERROR
ANDROID-ID = LGLS885869921ac_0000416835
Device is not rooted

LG Sprint Unlocking Started..
Searching PHONE NOW…
Port Found..COM80
Detected in EMP Mode..
Unlock Success..

!!! Success !!!!
Restart Phone if not auto…
Total Time Take…00:00:53