H791 frp reset help ,

Reading info…
Model ID: LGH791
IMEI: 35xxxxxxxxxxxxxx
Android version:
Battery level: 30%
Mode: Emergency
Initializing flash…OK
SW version: LGH791AT-00-V10f-NXS-XXX-OCT-03-2015-32G-MDA89E-US
LAF Version: 1.2
Product ID: Pxxxxxxxxxxxx
IMEI: 35xxxxxxxxxxxxxx
Target operator: GOOGLE
Hardware:
Resetting Screen Lock…OK
Reading partition…OK
Resetting FRP Lock…Failed!
Resetting screen lock successfully completed!
Performed by 2.2.0 software version.