Sprint LS991 show unlocked successful but still Invalid sim

Welcome to Octoplus/Octopus Box LG Software version 2.2.1
Checking data…OK
Platform: LG Qualcomm
Selected port: COM67
Selected model: LS991
Reading info…
Model ID: LGLS991
IMEI: 357355-06-00
Android version: 6.0
Battery level: 55%
Mode: Normal
Firmware compiled date: Oct 23 2015
Firmware compiled time: 17:00:00
Firmware released date: Jan 15 2016
Firmware released time: 18:58:28
SW Version: MPSS.BO.2.5.c3-00106-M8992FAAAANAZM-1
IMEI: 357355-06-00
SPC: 482077
MEID: 3573550600
Mobile ESN: 80522F3C
OTKSL: 583285
NAM Name: Sprint
User Lock Code: 9692
Sending unlock files…
Initializing ADB…OK
Waiting for phone…OK
Switching to Download mode…OK
Initializing flash…OK
Reading partition…OK
Creating Carrier backup…OK
Phone successfully unlocked!
Performed by 2.2.1 software version.