Optus, one of the largest carriers in Australia, has just revealed that it has extended its for customers who purchase either the or from its website or any of its nationwide bricks-and-mortar stores — so those who buy one of Samsung’s from the operator will still be able to get their hands on a complimentary worth $159. However, the deal will only run until the current stock runs out, so if you want to get in on the action, you better act fast.