S10 Lite got the ONE UI 4.0 Update recently but didn't receive the Ram Plus feature. I was eagerly waiting for it but it is a great disappointment from samsung
Unlike lower models which use optical scanners Samsung ultras use an ultrasonic fingerprint scanner. Putting a glass layer on between hinders it's ability to scan your finger. Use thin fingerprint enabled tempered glass ~ 2 mm thickness. As mentioned...
Like i said, it is available when samsung enables it thru an update. S20 fe supports VoNR, can be enabled via third party apps, but causes lot of call drops...