Checking LG G5 software version and Update history, Download ALL LG G5 Stock Firmware,Click here
Vodafone customers in Spain, Romania,United Kingdom,Portugal,Italy and Germany can install the update through LG Bridge starting April 29.
Unbranded LG G5 H850 in Greece and Swiss also got the V10 Update.
The Stock KDZ firmware for LG H850 is available for download. From below link, you can download the KDZ firmware for H850/VD2
LG G5 H850 Stock KDZ Firmware:
Buyer Suffix: VD2
Country: United Kingdom
Buyer suffix: VDF
Europe Open v10c
So far, We can not find a tool to extract the kdz firmware.
Flashing H850 firmware with LG Flash Tool 18.104.22.168 is not possible, because we can not find a valid megalock.dll
According to one LG H830 user, We can flash LG G5 stock firmware with LG UP Tool..