LG has released the V10c software Update for the Hongkong Verison of the LG G5 H860n.
Model Number: LG H860N
This KDZ firmare can be used to unbrick/recover your LG G5 H860n model back to stock, So keep it well.
To bring your G5 model back to stock, You need LG UP, LG UP DLL for H860, LG USB Driver and THIS stock kdz firmware
if you experience any issues, please let us know in the commments below