Xiaomi Mi 5 might include a fingerprint sensor

Xiaomi is working to bring a fingerprint sensor to its high-end to mid-range smartphones. A new patent filing at the State Intellectual Property Office in China reveals a method of implementing fingerprint recognition to the buttons.
It is being estimated that the next Xiaomi flagship device might include the fingerprint sensor. While there is no confirmation on that, here is what the patent filing reveals:
“The device comprises a bottom fingerprint sensors and optical sensor provided in the terminal equipment of the cover glass; fingerprint identification circuit connected fingerprint sensor for fingerprint recognition sensor and the fingerprint information analysis and processing, obtain fingerprint analysis ; host processor, and an optical sensor and fingerprint identification circuit connections for the monitored optical sensor light information received to determine whether cover glass touch button operation; identity authentication based on fingerprint analysis results obtained fingerprint identification circuit."
Home button on the smartphones have become more than the button by integrating a fingerprint sensor. Premium devices such as iPhone 6 and Samsung Galaxy S6 include fingerprint sensor.
Xiaomi Mi 5 may feature 5.2” QHD display, Qualcomm Snapdragon 805 mobile chipset, 3GB of RAM, up to 64GB storage, 16MP rear camera, 8MP front-facing unit, and 3,600 mAh battery. We suggest to take these specs with a grain of salt and wait for a formal announcement.