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Questions tagged [fingerprint]

Use this tag for questions related to fingerprints, like fingerprint lock or fingerprint scanner.

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2 votes
1 answer
26 views

Using fingerprint authentication only for contactless payment (especially Google Pay)

I'm using a recently bought Samsung Galaxy S23FE, which I mostly bought because my previous phone didn't have NFC and couldn't be used for contactless payment. What I'd like to do, is to use the ...
4 votes
1 answer
133 views

Fingerprints need to be re-registered every few days

This has happened on every Android phone I've had including my current phone, a Pixel 7 Pro. My fingerprint unlock stops working after a few days and I have to reregister my fingerprints to get it to ...
1 vote
1 answer
3k views

MAM and Android: fingerprint option never shown

We're trying to configure Intune so that people with Android devices can access their corporate email through Outlook for Android. In the Access Requirements blade (dashboard > client apps- app ...
0 votes
0 answers
110 views

Samsung Galaxy A53 doesn't show fingerprint on lock screen when no app is running

I have a Samsung Galaxy A53 and I did a fingerprint on it. When there is no application opened and it enters the lock screen, I don't see the option to put my finger to open it, and I have to write ...
3 votes
3 answers
2k views

Use fingerprint in apps but not device unlock

On my Samsung Galaxy A14, I could configure my fingerprint for use within apps (such as banking and qualified electronic signature apps) but not for unlocking my phone. This is my preferred setup as I ...
8 votes
1 answer
11k views

Allow fingerprint unlock but require password after a certain time limit

Currently with a Samsung Galaxy S8, but I believe this is common to other devices, I can setup fingerprint unlock which requires a password when the device starts up or if I fail to scan my finger ...
10 votes
3 answers
3k views

Use fingerprint to unlock the lock screen after booting Pixel 6

Background I am trying to unlock my Google Pixel 6. Due to an accident, I lost much of my memory and in turn, forgot the lock screen PIN code for my phone. I have, however, also activated fingerprint ...
2 votes
1 answer
340 views

Why does the fingerprint sensor trigger the screen?

When I touch the fingerprint sensor while I watch YouTube in the app it activates the controls on YouTube, like I was tapping the screen. Somehow the YouTube app and maybe other apps listen to the ...
2 votes
0 answers
131 views

Disabling fingerprint sensor on Oukitel WP6

I want to completely disable the fingerprint sensor on my Oukitel WP6, rooted, running CAOS (modified Android). That means not just unlocking phone with fingerprint, but completely killing that sensor....
2 votes
0 answers
30 views

Fingerprint will not open

My passwords are kept in passwords.google.com. When I am on my Samsung 52 and I need one of my passwords, and I go to Google Password Manager to get it, Android asks me to "verify it's [me]."...
0 votes
0 answers
346 views

can't adb into phone with broken screen and lock pattern

i accidentally dropped my Pixel 6a on the counter a little hard. it landed flat on it's back. no physical damage. but the screen froze up. i pressed the power button to try and lock the screen (which ...
1 vote
0 answers
1k views

Increase number of fingerprint attempts

Is there any way to increase the number of allowed fingerprint attempts before PIN etc is demanded? I'm comfortable using adb shell if necessary.
2 votes
0 answers
269 views

Use tasker to pass biometric authentication dialog (root)

Main idea I want to use a tasker action to authenticate a biometric prompt on a rooted device. Background My use case is that I have a Dangerous Things Apex implant that I can securely scan to ...
1 vote
0 answers
910 views

Between fingerprint unlock vs double-tap to wake up, what consumes more power?

Due to past experiences with power buttons, I'm trying to almost not touch the power button (side key) except left with no option. So between these two alternatives of waking up a phone: Using a ...
1 vote
0 answers
441 views

How to disable a broken system service in Android 11

tl;dr: the fps_hal init service on my phone is constantly restarting, and since I don't use the fingerprint sensor I want to disable it. Background: Trying to debug my own app on LineageOS 18.1 (...
1 vote
0 answers
963 views

Suspicious data usage by apps

Here are a list of apps that I found on my phone: Now all of these apps seem to be preinstalled as they aren't device administrators and are impossible to disable or uninstall. They all seem to be ...
2 votes
1 answer
2k views

Un-register service from hwservicemanager

I have disabled the fingerprint sensor on my phone by setting the device tree node status to disabled. When I boot up, the fingerprint menu options are gone, but dmesg shows that hwservicemanager is ...
0 votes
1 answer
44 views

Can we get single time access to in-display fingerprint photos in android?

I am trying to access the fingerprint photo access from the in-display fingerprint sensor for a specific use case. Is it possible to do so?
5 votes
1 answer
2k views

Backup app's fingerprint data and restore

I have one app on my device locked with fingerprints. I want to back up this app, delete it, and restore it again without a need to log in again. So it should work again with fingerprint without any ...
2 votes
0 answers
73 views

Repeating error on logcat: "FingerGoodix: Useless INT"

I have a problem with a fingerprint scanner. It doesn't work no matter what firmware I use. I flashed different fixes but it didn't help. I captured a log and found these repetitive lines: 02-10 14:23:...
2 votes
0 answers
78 views

Is the fingerprint template generated by the vendor-specific library or the sensor?

My understanding based on the online resources is that there is a vendor-specific fingerprint library running in the TEE which is responsible for communicating to the fingerprint sensor hardware as ...
1 vote
2 answers
289 views

How does Whatsapp use my mobile fingerprint in their app?

How does Whatsapp access my fingerprint? WhatsApp did not ask permission to use my fingerprint. Then how do they use my fingerprint for unlocking?
1 vote
2 answers
4k views

Does Google have a record of my fingerprints from the Android devices?

My phone has a fingerprint scanner. I notice on the Google Play Store, it has the option to verify your identity with a fingerprint scan instead of typing in the password when making a purchase. Does ...
1 vote
3 answers
1k views

Why does fingerprint sensor not work when phone is charging?

I often face this issue. The fingeprint sensor does not work and sometimes the touch also misbehaves when phone is charging. Why does this happen and how to fix this? I experienced this issue with ...
2 votes
3 answers
17k views

LG G5 - Fingerprint Scanner gone

I have an issue with the LG G5. I bought it like 3 weeks ago and used it very carefully. Now just while using the fingerprint scanner went away. it said restart the phone. After restart even the ...
1 vote
1 answer
150 views

Fingerprint lost phone unlocking ability – where to troubleshoot?

Recently, fingerprint sensor on my Note8 lost phone unlocking ability. How can I troubleshoot this? Once the phone is unlocked, it still works normally: it... identifies already registered fingers (...
0 votes
1 answer
405 views

Always require PIN to unlock device

Is there any way to always require the user to enter the PIN (instead of fingerprint) to unlock the device? It seems that as soon as you add a fingerprint to the phone, now it no longer requires the ...
4 votes
3 answers
55k views

An error has occurred with the fingerprint sensor

Shortly ago, my J7 Prime stopped recognizing my fingerprint. When I go to Settings -> Lock screen and security -> Fingerprint Scanner I get An error has occurred with the fingerprint sensor. If ...
2 votes
0 answers
304 views

Fingerprint sensor on Nexus 6P stopped working

As I was using my Nexus 6P phone today, the fingerprint sensor was working just fine. However, just a few hours ago today, it stopped working, and I can no longer unlock my device using the ...
1 vote
1 answer
601 views

Unlock by fingerprint only

When I initially set up my phone, I had to both choose a pattern and scan my fingerprint, for providing maximal security. Now, when I want to unlock my phone, I can choose, whether I want to do that ...
3 votes
1 answer
593 views

Can I use my android phone as finger print, webcam, and mic for my windows 10PC?

I suppose I can buy a mic, a webcam, and a finger print censor for my windows 10. But I have all those in android phone already. Is there an easy way to do so?
3 votes
0 answers
158 views

Fingerprint sensor on Samsung Galaxy Wide 2

My phone, Galaxy Wide 2 (SM-J727S) is a device made for students in South Korea, and it blocks internet, wifi, mobile data, and stuff like that (maybe an irrelevant information, but anyway). This "...
-1 votes
1 answer
1k views

How to reset mobile fingerprint

How to reset mobile fingerprint? Mobile Model : Lenovo vibe P1
1 vote
0 answers
51 views

How to setup a finger specific app launch?

On my ZTE Axon 7 I had four fingers configured to start specific apps when the corresponding finger was pressed. That was very practical to be able to start an app like Evernote directly. On that ...
2 votes
0 answers
4k views

Unlock with fingerprint instead of PIN after Device reboot or Device Locked by admin

Android has a security feature that requires the user to input PIN/Pattern/Password if the device was locked by an app using the Device Administrator permission or when the device is restarted. ...
1 vote
0 answers
202 views

Disabling vibration when fingerprint authentication fails

I'm running Android Nougat 7.0 on a Wiko upulse lite phone. I would like to know whether there is a way to disable the vibration that is produced when fingerprint authentication fails. I ask because I ...
11 votes
2 answers
17k views

Completely disable the fingerprint sensor

I don't really like all the hype about the fingerprint sensor, I'd rather like to have it killed down, so that it doesn't register any fingerprints. On a desktop Linux I'd simply modprobe -r the ...
0 votes
0 answers
1k views

Is there a way to disable fingerprint reader on OnePlus 5T?

I'm using a OnePlus 5T, which is running Android 8.1. Since the face-unlock works perfectly, I don't need the fingerprint reader much. In addition, I often touch the reader accidentally and the phone ...
1 vote
1 answer
952 views

How to make Magisk request permission/fingerprint every time for certain apps?

I'm on Magisk v16 and I have a terminal app. I want it to require the user to use fingerprint every time this certain app requests root access. How do I do this?
5 votes
2 answers
4k views

How often does Android 8.1 ask for a password instead of a fingerprint? [duplicate]

I use fingerprint to unlock my phone (Nokia 6 TA1033, upgraded to Oreo 8.1, not rooted). Sometimes it doesn't let me use fingerprint and asks for a password instead "for better security". I can't ...
0 votes
1 answer
978 views

Forgot alternative password for encrypted & fingerprint-protected Samsung Galaxy S5: how to reset it?

So I have an encrypted Samsung Galaxy S5 with Android 6.0 and set fingerprints for its lockscreen (fingerprint is set as lockscreen-type for the setting device encryption). Now it seems like I forgot ...
2 votes
0 answers
50 views

Disable fingerprint fail sound

When I accidentally touch fingerprint sensor when phone is locked, it emits a beep sound, meaning that scanning failed. Can I disable this annoying sound? I have a Huawei P10 with Android 7 OS.
2 votes
0 answers
130 views

How to unlock glitching fingerprint service forcing me wait for 30 minutes?

Samsung Galaxy S7 fingerpring is glitching: if my finger is wet or dusty, it is trying to detect this case and provide special processing for it. Unfortunately, it can't detect this well and this ...
1 vote
2 answers
122 views

Is a PIN reducing the security of a fingerprint based encryption?

Many smartphones and programs are using fingerprint's to secure the phone or encrypt data. In many cases, those programs want a PIN as backup authentification method. A PIN just got 10000 possible ...
2 votes
0 answers
671 views

Fingerprint unlock and password multiple-attempt security

I have noticed that fingerprint unlocking on Android is pretty insecure. If you make 5 failed attempts (which is quite a lot), the phone just disables the scanner for 30 seconds and then re-enables it....
4 votes
2 answers
14k views

Where does Android store fingerprint data?

I am looking for the files that correspond to the recorded fingerprints on my Nexus 6P and a way to "reset" the fingerprint system. Something similar to how Android stores lock screen settings (...
0 votes
1 answer
701 views

How to set up fingerprint unlock on Honor 6A?

Could please someone name the exact checkboxes I need (not) to tick on Honor 6A to have it unlock with my fingerprint? Fingerprint is configured and recognized in the settings, but the phone keeps ...
-1 votes
1 answer
10k views

Xiaomi 3s prime not able to read finger print on app lock

Phone: xiaomi 3s prime with android 6 and Miui 8. I use finger print lock for apps. When open such a apps, screen shows " couldn't read finger print. Please enter your pattern" But i forgot my ...
0 votes
0 answers
797 views

Disable wake on fingerprint sensor

I've spent a lot of time editing /system/usr/keylayout/Generic.kl in trials to disable waking on sensor touch. What I've learned is that MENU and SLEEP "buttons", when assigned to key 353 (which is my ...
0 votes
0 answers
180 views

Xposed, disable pattern required on boot

On my phone, a Nexus 6p, rooted and obviously has Xposed, it asks for my pattern after every single boot, and I can't use my fingerprint. This is extremely annoying, and I dgaf about security. The ...