For at least some work HDR+ on the front camera LGE G6 from the FU24 mod
copied disabling the DNG noise model.
For those who don’t know. In most mods of my assembly, the maximum
brightness is turned on / off by long pressing the camera switch button.
Double-tap on the free space of the bar brings up the shutter speed menu.
A long press on the gallery icon works depending on the settings.