help unlocking LS770

After i tap enable in the Service Code menu nothing happens.
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Welcome to Octoplus/Octopus Box LG Software version 2.4.5
Checking data…OK
Platform: LG Qualcomm
Selected port: COM18
Selected model: LS770
Reading info…
Initializing ADB…OK
Waiting for phone…OK
Model ID: LGLS770
Firmware version: LGLS770AT-00-ZV5-SPR-US-AUG-28-2015+16
Kernel version: 3.10.49-g2cd19e1-00005-g906d913 (lgmobile@LGEACI6R1) (gcc version 4.8 (GCC) ) #1 SMP PREEMPT Fri Aug 28 13:19:51 KST 201
Android version: 5.1.1
Hardware: Qualcomm Technologies, Inc MSM8916 0
Please, type ##3424# to get SPC / MSL / Service Code…OK
Input 960790, go to "Diag" menu and select "Enable" option.
Performed by 2.4.5 Software version.