Lg ls775 unlock done but same problem invalid sim

Welcome to Octoplus/Octopus Box LG Software version 2.8.3
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG Qualcomm
Selected port: COM156
Selected model: LS775
Reading info...
IMEI: 358756-07-147360-2
Android version:
Battery level: 50%
SW Version: LS755ZVB
Mode: Emergency
Initializing flash...OK
SW version: LS755ZVB_04
Android version: 6.0.1
LAF Version: 1.1
Product ID: CT01S160920003319
IMEI: 358756-07-147360-2
Target operator: SPR
Hardware: rev_11
Reading partitions...OK
Reading Carrier...OK
Unlocking...OK
Writing Carrier...OK
Phone successfully unlocked!
Performed by 2.8.3 Software version.