Download Minecraft PE 0.16.2 Boss Update available for Xbox: try to create a Wither, but be careful, because it explodes when it appears.
Download Minecraft PE 0.16.1 Boss Update available for Xbox: explore Ocean Monuments to find hidden treasures, and also try to fight Wither.
Download Minecraft PE 0.16.0 Boss Update available for Xbox: explore the depths of the sea in search of hidden treasures, but beware of meeting with an ancient guardian.