To successfully boot your device into Download Mode (also referred to as mode), follow these precise steps: How to Enter into Download Mode on LG G3!
The on the LG G8s ThinQ is a critical environment used primarily for flashing official stock firmware, installing system updates, or recovering a "bricked" device that cannot boot normally. By using this mode, the smartphone can communicate directly with a computer to replace or repair its entire operating system. How to Enter LG G8s Download Mode lg g8s download mode