Why does samsung pay not work with A21s. I've had emails from samsung about the benefits of samsung pay, however when I click on the link I get this message: (com.samsung.android.spay:2290:9908:20c42d551002). Also when trying to download it from Google store I get informed that it is not compatible with my device. It looks like a good app that I would like to use so it's disappointing that I can't install it on my device.
Yeah, I believe some recent phones of Samsung do not support Samsung Pay... Maybe try downloading it from a apk website like apkpure, apkmirror, etc.? If that doesn't work, all I can say really is that before you buy a phone, do your research and make sure the features that you want are accessible on your phone! 👍