On the rear of the display we find the Synaptics S3320A touch controller that governs the touchscreen.
We also get a look at what turns out to be a soft home button which sits awkwardly below the very delicate side button cables. This is sure to make replacing the home button more of a hassle than it should be.
Keeping pace with Apple and Samsung, the OnePlus 2 features a fingerprint sensor. The FPC1150 touch fingerprint sensor by Fingerprint Cards AB can recognize up to five fingerprints and will read them in any orientation.