lg ls777 not unlock by Server:

Mode: Emergency
Model: LS777
Read info...
Laf Protocol: 01000005
Model name: LG-LS777
Software verion: LS777ZV9
Android verion: 7.0
Target operator: SPR
Target country: US
Chipset: msm8937
IMEI: 35423408092***
Elapsed: 4 secs. --> (v9.58)

Checking Login and Password... OK
Ballance: 30 crd.
You have 30 credit(s) left. This operation takes 5 credits.Continue? Yes
Searching modem interface... not found
Elapsed: 110 secs. --> (v9.58)