Many mobile manufacturers have now started to make a physical Fingerprint Sensor. This sensor is placed in front or back of the mobile screen. You could wonder how it works! Just place your finger on the screen to unlock your mobile phone.
Check out the list of phones given below with an under-display fingerprint sensor. The devices mentioned is in the order of their release date.

• 　　Vivo X20 Plus UD
  The Vivo X20 Plus UD was the first mobile phone to build an in-display fingerprint scanner. It is powered by the Snapdragon 660 SoC, incorporated with 4GB RAM, and 128GB internal storage.
• Vivo X21
  The Vivo X21 is the successor to VIVO X20 Plus UD with an in-display fingerprint scanner. It introduced novel biometric technology to India in a 6.28-inch Super-AMOLED display.
• Huawei Mate RS Porsche Design
  The Huawei Mate RS is an elegant device includes not only a capacitive fingerprint sensor on the rear but also an under-screen one paired with 6GB RAM and 256GB internal storage.
• Vivo Nex
  The Vivo Nex model is featured with the third-gen in-display fingerprint sensor. It has outstanding Ultra-View display that is one among the most innovative phones.
• Mi 8 Explorer Edition
  The Mi 8 Explorer Edition is stuffed with flagship-grade specs. It is highlighted with 6.21-inch Full-HD+ AMOLED screen.
• Oppo R17/R17 Pro
  The Oppo R17 is one of the latest mobile phones to in-built the under-screen fingerprint sensor with an unlocking speed of just 0.41 seconds.
• Meizu 16/16 Plus
  The Meizu 16 is featured with a 6-inch FHD+ Super AMOLED screen. It uses a second-gen in-display fingerprint sensor.
• Vivo V11 Pro
  The Vivo V11 Pro is promoted with a fourth-gen in-display fingerprint scanner. It includes an FHD+ Super AMOLED screen with a waterdrop notch.