Samsung's unprecedented recall of the Galaxy Note 7

Samsung has recalled 2.5 million Galaxy Note 7 smartphones just a couple of weeks after they went on sale due to safety concerns with the battery. There have been 35 reported cases of phones either exploding or catching fire, and Samsung is recalling all of the units it has produced so far.

The company says it has identified a problem with the battery cell and will be rectifying it in the coming weeks. That means that if you've already bought a Note 7, you should probably return it or exchange it when Samsung has released an updated model that's considered safe.