Question: how to flash lg nexus 5x?
Answer: 1 MMB29K for Nexus 5X factory images from here on your PC. Step 1: Connect your Nexus device using a USB cable and turn it off. Step 2: Now, start the device in Fastboot mode: Turn on the phone while pressing and holding the Volume Up + Volume Down + Power keys until you see the Fastboot menu and START text on top.