Ls996 5.0l.1 after unlock still locked

after unlock, phone is still showing invalid Sim

Code:

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Checking data...OK
Platform: LG Qualcomm
Selected port: COM269
Selected model: LS996
Reading info...
Model ID: LGLS996
IMEI: 355868-06-067454-7
Android version: 5.0.1
Battery level: 36%
Mode: Normal
Firmware compiled date: Jan 22 2015
Firmware compiled time: 08:00:00
Firmware released date: Jan 31 2015
Firmware released time: 18:09:24
SW Version: MPSS.BO.2.0.1.c3.2-00006-M8994FAAAANAZM-1.13092.2
IMEI: 355868-06-067454-7
Bluetooth address: 00:00:00:00:00:00
SPC: 013803
MEID: 35586806067454
Mobile ESN: 802F7BA0
SSD_A: 0000000000000000
SSD_B: 0000000000000000
AKEY: 10571597089321204260
OTKSL: 115011
NAM Name: Sprint
User Lock Code: 5488
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
Unlocking...OK
Phone successfully unlocked!