Clear your cache, guys, the XBone is horrible at realizing something's changed
Of course, make sure you've actually DOWNLOADED the maps, it won't work if you haven't done that.
-Hard reset it - hold the power down 8-10 seconds, until it shuts off
-Unplug the power from the system AND the wall
-Wait 2 minutes
-Plug it back in
-Wait until the power brick light goes orange (AFTER plugging everything back in)
-Turn it back on, and play the new maps.
