The Fingerprint scanner on the s20 is total garbage! I just switched from a s9 plus to a s20 plus and it's been a month and I regret it. I have to focus so much on the unlock process of this phone that it takes away the joy of using it because I have to go through multiple failed unlock attempts before I can get in the phone. And yes I know all the tricks of adding fingers etc so let's not even go there. Samsung should just push a software update that cuts the "security" by 50% and makes the scanner more forgiving.
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I have an S20+ and face unlock doesn't work. Yeah it might occassionally unlock your phone but "working" means it's consistent. The only consistent part of it is the inconsistent. I had an Apple 11 pro max and face unlock works on that phone. It works on the Google Pixel 4 too. It doesn't work on this phone. You can add an alternate look - doesn't help. You can retrain it - doesn't help. You can set every option available - doesn't help. You can try everything you find on Youtube, Reddit, etc. - doesn't help. The problem is Samsung software. I have an app called "Applock" that I use to secure certain apps on my phone. It works. It recognizes my face every time. I wish it could be used to unlock my phone but it can't. I can't find any other apps to use to unlock my phone with facial recognition. If I could I would switch. The finger print option is just as bad on the S20 so don't expect that to be a working alternative. Bottom line is Samsung really messed this one up and apparently doesn't plan on fixing it.
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