What are the specialities of In-screen/Under display fingerprint sensor? - Vivo X20 Plus UD Guides, News, & Discussion

Vivo X20 Plus UD is the world's first phone that comes with In-screen/Under display fingerprint sensor. How is it special compare to normal fingerprint sensor ? Is it more faster and accurate than the normal fingerprint sensors ? Please do comment below, if you have answers. Thank you.

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[Q] Info about a sensor (Galaxy Ace)

At the top of the phone there are two sensors.
The first is the proximity sensor.
Which kind of sensor is the second one?
Thanks

Light sensor?

Maybe I'm just stupid but can anyone tell me how does the OP7 Pro senses light for the adaptive brightness? Since there's no notch or space for light sensor on top due to display, how does it work?
Neffarion said:
Maybe I'm just stupid but can anyone tell me how does the OP7 Pro senses light for the adaptive brightness? Since there's no notch or space for light sensor on top due to display, how does it work?
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I'm pretty sure (maybe...lol I know it's at least the proximity sensor) this is the light sensor and the proximity sensor all in one.
Neffarion said:
Maybe I'm just stupid but can anyone tell me how does the OP7 Pro senses light for the adaptive brightness? Since there's no notch or space for light sensor on top due to display, how does it work?
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Light Sensor is under the screen, proximity sensor is built in the speaker

Fingerprint sensor

Hi folks. is true that the fingerprint sensor is not so good when there is too much humidity and the fingertip is a little damp?
denzel09 said:
Hi folks. is true that the fingerprint sensor is not so good when there is too much humidity and the fingertip is a little damp?
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yup, consider your fingerprint sensor non-existent when "there is too much humidity/fingertips => damp.
This is true for optical readers as well (OnePlus 6T, 7, 7 Pro, 7T, 7T Pro). Just a bit damp finger => No unlock.
You can use...
- ultrasonic fingerprint readers such as on S10, S10+, Note 10/Note 10+ (as far as I know they work better with damp/wet fingers)
- face unlock
- voice unlock / pin / whatever your phone supports

P30 barometer app

Does the P30 have a barometer sensor?
I couldn't get barometer apps to work with it.
I found contradictory info on the Webb regarding the presence of a barometer sensor.
Thanks!
There's no barometer sensor, I'm afraid.
icstrim1 said:
Does the P30 have a barometer sensor?
I couldn't get barometer apps to work with it.
I found contradictory info on the Webb regarding the presence of a barometer sensor.
Thanks!
Click to expand...
Click to collapse
what site did you see that it has a barometer ?
it has no barometer sensor
P30 or P30 pro it has no barometer sensor :fingers-crossed:
only Mate series It has sensor barometre , unfortunately a big minus for the huawei company

Solved: Fingerprint Sensor Improvement

Had been pretty disappointed with the N20U fingerprint sensor over the Note 9 until trying this hack found last night on Sakitech's YouTube channel while searching for a solution. It originally pertained to the S20 / Note 10 but continues to make a huge improvement on my N20U. Link is below in case you're not aware of this.
My only disappointment with N20U is the fingerprint sensor. I tend to prefer physical fingerprint sensor especially on the side or back (and I still do). This actually improves the fingerprint sensor a lot. Thanks!

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