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Original topic:

S21 Ultra (Exynos 2100) has a TERRIBLE fingerprint sensor/scanner same as Note 10+

(Topic created on: 31-01-2021 04:11 PM)
fredphoesh
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Galaxy S21 Series

I am shocked and really sad about this. The fingerprint scanner on my brand new S21 Ultra IS TERRIBLE!!! See the YouTube video I made to show it took me about 100 tries to add my left thumb, then it failed. VERY BAD Samsung!!! https://youtu.be/4Mp8ECNUpgQ  

I have managed to scan 3 of my right hand fingers, and it almost never unlocks on first try, regardless of finger used, comparing with my Note10+, the poor performance is identical, so is the feel and way the scanner works, so I am sure they are the same scanner and am sure that the Exynos does DEFINITELY NOT have an ultra-sonic fingerprint scanner.

Maybe the Qualcomm version is great, but this is extremely disappointing and is the reason I returned my Galaxy S20, Galaxy Note 20 Ultra upgrades after a few days, and now it looks like I will be returning this phone. It is not a substantive upgrade on my Note10+ the same annoyances. 

68 REPLIES 68
Qwerty7
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Galaxy S21 Series
This is very unusual. from what I have heard the s21 has a significantly improved fingerprint sensor, and all variant come with ultrasonic scanners, since the S10. I have used the ultrasonic scanner on the S20 (exynos, not that it makes a difference as it uses the same hardware scanner as the snapdragon one) and optical one on the a51 and both register and scan fingers just fine, and the s21 is supposed to be significantly improved over those.
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fredphoesh
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Galaxy S21 Series
are you in Snapdragon or Exynos?
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Lane93
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Galaxy S21 Series
The fingerprint scanner on the s21u is the qualcomm version no matter which country your in I thought
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DB666999
Journeyman
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Galaxy S21 Series
I never have problems with these finger print scanners as I always use 2/3 scans of the same finger
fredphoesh
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Galaxy S21 Series
as you see, the Exynos scanner is so bad I couldn't even complete the scan learning process.
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DB666999
Journeyman
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Galaxy S21 Series
very odd I have the s21 ultra (512gb) and haven't had any problems at all with the scanner and it still has the original screen protector on it...
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lewiement
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Galaxy S21 Series
my s21 ultra exynos fingerprint scanner has been a considerable improvement over the one used on my note 10+. maybe it is faulty
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fredphoesh
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Galaxy S21 Series
are you on Exynos?
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fredphoesh
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Galaxy S21 Series
Exynos or Qualcomm?
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