lg G4 v6.1 UNLOCK FAIL

Hello team,
Please help me out in this SPRINT lg G4 ver 6.1, unlock fail,

here is log

Using Version…1.0.0.0025
Selected Model LG LS991
Selected Task LG SPRINT UNLOCK

Searching ADB device Please wait..

!!! Phone is in offline !!! ACCEPT CONNECT IN PHONE OR RECONNECT…

Device Detected…
model:= LGLS991
Androids Version:= 6.0
Description Version:= p1_spr_us-user 6.0 MRA58K 160151847a7a6 release-keys
Platform:= msm8992 [ ] [ msm ]
Baseband:= MPSS.BO.2.5.c3-00106-M8992FAAAANAZM-1
Factory Ver := LGLS991AT-00-ZVA-SPR-US-JAN-15-2016+03
Model & Firmware Ver := LS991ZVA
Network Mode := AUTOMATIC
Simstatus:= ABSENT
IMEI-1 = null or empty
ANDROID-ID = LGLS991d7c44962_0000E23BBA
Device is not rooted

LG Sprint Unlocking Started..
Searching PHONE NOW…
Port Found..COM149

Bad mode Please connect phone in EMERGENCY DOWNLOAD MODE AND SELECT VALID COMPORT..
DBG..s3COt3CMtzQHkcYGIORqEm9iCWWDkDESmzhkbhxvbhpvZ gEiLYzjLcziLVzjLWBmmpvHOyKZb4iq18QCAA==

!!! Fail !!!!
Restart Phone if not auto…
Total Time Take…00:00:13
Log Saved