Technology Vivo's X21 with underscreen fingerprint sensor gets global launch May 2, 2018 johorbiznet Johor News Vivo’s X21 with underscreen fingerprint sensor gets global launch CNET Vivo launches X21 smartphone with in-display fingerprint scanner The Straits Times Vivo X21 brings in-display fingerprint scanner to Singapore ahead of ‘global’ expansion PocketNow (press release) (blog) Full coverage Source: Technology News Feed