Answer to: Why does the display does not respond?First, reset your device. That might reboot your software. Second, check for updates. Go to the "wear" app (download it if you do not have it), and check your software is up to today. New updates might have the solution to common problems on the device.
Answer to: Why does my Lg Watch Urbane's power not last as long anymore?First, check in the settings for the brightness of your screen. Lowering the brightness could help you save power. Second, if that does not work, make sure the software is updated. Check your "wear" app for software updates. Last, if these two do not work, there is a chance your battery is dead, You will have to buy a new battery and replace it. You will probably have to contact the watch manufacture. LG Watch Urbane page