You may not think about it while you’re unlocking your phone to check out the latest gossip on Twitter, but fingerprint scanning technology is tricky to implement, and it looks like Samsung is experimenting with some new ideas for sensors on its phones.
Patents unearthed at Patently Mobile show both an iPhone-style circular home button with a fingerprint sensor underneath it, and a sensor placed around the back of a phone (see also the Huawei P9, the LG G5 and several others).
