Back at CES 2018, we had a hands-on with vivo's in-display fingerprint scanner. The company said the device would hit the market in early 2018 and the phone already arrived on TENAA. It is called vivo X20 Plus UD, and although very similar to the regular X20 Plus, it does not have a square rear-mounted fingerprint scanner. vivo X20 UD as seen on TENAA The vivo X20 UD will come with 6.43" screen with Full HD+ resolution. The display is an OLED panel since this is what the in-screen scanner needs to work. According to Synaptics, the sensor illuminates and reads the crests of...
Source: https://www.gsmarena.com/vivo_x20_ud_in_display_fingerprint_scanner_tenaa-news-29179.php
