cuenta google lg Ls777 frp con z3x

[servergsm]

Con z3x seleccionan modelo ls777 y conectan en modo download seleccionan puerto y dan reset frp y sale de una con la version 9.48 de lg 2-3g tool aqui mi log

LG 2-3G Tool v9.48
supported models: 1555

Mode: Emergency
Model: LS777
Read info...
Laf Protocol: 01000005
Model name: LG-LS777
Software verion: LS777ZV6
Android verion: 7.0
Target operator: SPR
Target country: US
Chipset: msm8937
IMEI: 354234082395481
Elapsed: 3 secs. --> (v9.48)

Phone mode is DOWNLOAD
Start reset FRP...
Laf Protocol: 01000005
Model name: LG-LS777
Software verion: LS777ZV6
Android verion: 7.0
Target operator: SPR
Target country: US
Chipset: msm8937
IMEI: 354234082395481
Init EXT4 ...
FRP Reset done!
Elapsed: 34 secs. --> (v9.48)