LG V10 H960, F600L, F600K, F600S ANDROID 6.0 MARSHMALLOW UPDATE WITH BUILD 20B, 20E, 20G

LG.V10

KDZs Download Directly

In most cases, your LG V10 should be international variant LG H960 unless you have a branding model like F600L, F600K. I would like to point out that you can’t download the wrong KDZ file.
Install KDZ Firmware
You can use KDZ FW Update OfflineFix tool to flash your KDZ firmware package to your LG device, there is a guide for your reference: