Trust me i have tried all app locks.. BUT The only app work properly for s24Ultra is norton app lock.. It is not available on play store u have to download it from searching on google from any website u like..Thanks me by liking my post
If u apply any of the glass protector the fingerprint does not work properly.. Cause in s24 ultra fingerprint scan is ultrasonic fingerprint scan for security reasons .. U have to use a plastic type thin flexible protector.. U have to by it from loca...