LG Nexus 5X H791 FRP Reset Fail

i need solution i hop my problem solve with octopus


Welcome to Octoplus/Octopus Box LG Software version 2.2.0
Checking data…OK
Platform: LG Qualcomm
Selected port: COM137
Selected model: H791
Please, put the phone into download mode manually (Power phone OFF,
press and hold "Vol+" button and connect the cable (or P990 cable)).
Reading info…
Model ID: LGH791
IMEI: 353627-07-066903-4
Android version:
Battery level: 29%
Mode: Emergency
Initializing flash…OK
SW version: LGH791AT-00-V10f-NXS-XXX-OCT-03-2015-32G-MDA89E-
LAF Version: 1.2
Product ID: PT02S151006001905
IMEI: 35
Target operator: GOOGLE
Resetting Screen Lock…OK
Reading partition…OK
Resetting FRP Lock…Failed!
Performed by 2.2.0 software version.