LGH820AT-00-V20q firmware need
 

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Platform: LG Qualcomm
Selected port: COM54
Selected model: H831
Reading info...
Model ID: LG-H820
IMEI: 356441-07-178508-9
Android version: 7.0
Battery level: 54%
SW Version: H82020q
Mode: Emergency
Initializing flash...OK
SW version: LGH820AT-00-V20q-ATT-US-NOV-06-2017-ARB01+0
Android version: 7.0
LAF Version: 1.1
Product ID: YE01S160317001628
IMEI: 356441-07-178508-9
Target operator: ATT
Hardware: rev_10
Performed by 2.7.7 Software version.

Hello.

Unfortunately, we don't have firmware for this phone model, if we will manage to find it, we will upload to the Support Area.