topic Re: s11 fingerprint reader problems in Tablets

s11 fingerprint reader problems

monsieurms — Sun, 21 Dec 2025 13:08:01 GMT

I'm not sure if this is specific to s11 or just me, but I the fingerprint reader here is awful. It worked well enough for me to register fingerprints! Big issue seems to be unlocking. I did add a tempered glass screen protector, but also did increase touch sensitivity in settings. It rarely works. I might add face recognition isn't so reliable either on this tablet. And then I tried to pair with my phone. It let me pair but wouldn't add it as "trusted device," claiming it might not be close enough for bluetooth. Um, it was six inches away.

On the whole, this is a train wreck. I guess I use passwords.

Here's Samsung's fingerprint advice, btw:

Re-register fingerprints with the screen protector on. Register the same finger multiple times at slightly different angles.
Use Samsung-certified screen protectors (third-party ones often reduce accuracy).
Clean the sensor area — smudges or dust can cause misreads.I've done #1 multiple times, doesn't help. I guess I can throw away my screen protector (Sparin

I did #1 multiple times, doesn't help. I haven't done #2, but never had to before. Sparin has usually been pretty good. #3 doesn't help. Nothing looks dirty.

Any suggestions to get SOMETHING to work reliably as an unlock? Because it's really annoying have "try your biometrics again in 29 seconds" keep popping up. Or, maybe this is just defective?

Re: s11 fingerprint reader problems

TipsyTrex — Tue, 23 Dec 2025 17:08:42 GMT

Ditch the screen protector. For whatever reason, Samsung uses optical fingerprint sensors on their tablets, which shines a light on your finger and then uses a camera to visually identify fingerprints. Screen protectors prevent the camera from getting a good reading on your thumbprint. If they used the ultrasonic fingerprint sensor on these tablets like they do on phones it wouldn't be a problem, but I guess that would eat into profits too much.

Re: s11 fingerprint reader problems

s1r_11 — Sun, 21 Dec 2025 15:32:25 GMT

Yeah ditch the screen protector

Re: s11 fingerprint reader problems

monsieurms — Sun, 21 Dec 2025 17:03:44 GMT

This thought has crossed my mind. But I admit I'm a little queasy about ditching a screen protector. I do have a book cover case.

Would it help do you think to ditch the tempered glass for film?

Re: s11 fingerprint reader problems

monsieurms — Sun, 21 Dec 2025 17:06:45 GMT

Yeah, might have to. But disappointed in Samsung. This isn't the firs of their tablets I've had, but the first that has had this problem. Seems like they cheaped out. I'm half inclined to return it.

Re: s11 fingerprint reader problems

Robin621k — Sun, 21 Dec 2025 17:30:41 GMT

Not all screen protectors are equal, some work some don't work with the fingerprint scanner.

Which one are you using?

Re: Re: s11 fingerprint reader problems

monsieurms — Sun, 21 Dec 2025 17:32:28 GMT

Sparin

Re: Re: Re: s11 fingerprint reader problems

Robin621k — Sun, 21 Dec 2025 17:53:37 GMT

After reading all the reviews none seem to be fingerprint compatible. I don't take my tablet out of the house much. I also have a screen cover for it so I am not worried about scratches. I don't use a screen protector on my tablets.

Re: Re: s11 fingerprint reader problems

monsieurms — Sun, 21 Dec 2025 18:07:38 GMT

At least in theory they advertise something that should work. I'm not so sure the fault is theirs, but rather Samsung's.

"Responsive Touch Experience: Ultra-thin 0.33mm thickness ensures smooth touch sensitivity with immediate response and complete S Pen functionality"

Re: Re: Re: s11 fingerprint reader problems

Robin621k — Sun, 21 Dec 2025 18:12:08 GMT

Touch sensitivity is not the same thing as using a fingerprint scanner. As @TipsyTrex has stated the Optical scanner is dependent on light to work. None of the screen protectors I looked at said compatible with fingerprint scanners.

Re: s11 fingerprint reader problems

monsieurms — Sun, 21 Dec 2025 18:24:20 GMT

So, I ripped the screensaver off. I still had some difficulties registering a new set of fingerprints, which I thought was a good idea .

The first few times I tried the fingerprint reader without the screen protector and with new fingerprints, however, it still didn't work very well. Then I discovered that you can't just lay the thumb flat as I tend to do with my phone and my old 7 plus ultra. You have to kind of bend it and push it forward to get the tip. That is kind of weird. But it seems to work. That's three for three. I will keep trying it and see what happens. I guess I can return the sparin, or the tablet. We'll see which comes first😂

Re: s11 fingerprint reader problems

nullandvoid — Sun, 21 Dec 2025 18:34:01 GMT

If the tablets utilize modes and routines, create a routine to keep your tablet unlocked when on specific wi-fi networks and/or at specific locations. That way you won't have to attempt to unlock it so much. You can also try adding the connection to the phone to the routine as, it's different than adding it to trusted devices.

I agree with the others about not using a screen protector on the tablet. Screen protectors are useful for phones because most people keep them in their pockets or purses and they can easily get scratched without one. Most people who take their tablets out of their home, usually utilize a folder type case or a sleeve, to keep it protected in transit.

Re: s11 fingerprint reader problems

monsieurms — Mon, 22 Dec 2025 13:06:58 GMT

So, I contacted Sparin. They said they did not mass produce until they could get to 0.3mm in thinness and they thought they had good fingerprint sensitivity. I advised they didn't. Ripping off the screen protector helped a lot!

They were very nice, and refunded. But I suspect a lot of folks are gonna have to go back to the drawing board with this product.

Re: s11 fingerprint reader problems

nullandvoid — Mon, 22 Dec 2025 13:20:15 GMT

Seems like they should have put a cutout over the location of the fingerprint sensor on the protector for tablets.