frp reseted successfully after downgrading to 20b
Welcome to Octoplus FRP Tool v.1.1.6
Platform: LG
Selected model: H831
Put the phone into Download Mode:
1. Power phone OFF;
2. Press and hold "Vol+" button and connect USB cable.
Searching for a phone. Please wait...
Found phone on COM1703
Reading info...
Detected phone model: LG-H831
Mode: Emergency
Initializing..
SW version: LGH831AT-00-V20b-AVC-CA-MAR-09-2017-ARB00+0
Android version: 7.0
Reading partition...
Resetting FRP lock..
FRP lock is successfully reseted!
Performed by 1.1.6 Software version.