thinkpad ~ # adb devices List of devices attached 0079d583c50fafcc device

thinkpad ~ # adb shell grep ro.product.name system/build.prop ro.product.name=occam

thinkpad ~ # adb shell grep ro.product.device /system/build.prop ro.product.device=mako

thinkpad ~ # adb shell grep build.id /system/build.prop ro.build.id=LRX22C

thinkpad ~ # adb reboot bootloader

see bootloader screen on mobile device

thinkpad ~ # fastboot oem unlock … OKAY [ 32.456s] finished. total time: 32.456s