https://us.community.samsung.com/t5/Galaxy-S21/Double-tap-to-turn-off-screen-not-working-after-update/m-p/1672730#M1706 goto settings of your phone and search for "lock screen" it sounds like a simple reset of your type being used will fix it. a few updates back changed a few setting on my phone as well. Fri, 29 Jan 2021 02:23:44 GMT cricket62 2021-01-29T02:23:44Z