Questions tagged [fingerprint]
Use this tag for questions related to fingerprints, like fingerprint lock or fingerprint scanner.
65
questions
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0
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Wearable touchscreen badges (Android, powered) [closed]
I was wondering whether anyone is willing to assess and consider the commercial potential of wearable Android badges with touch screen interfaces. Users could approach a person and click on the badge, ...
3
votes
3
answers
324
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 ...
- 133
10
votes
3
answers
2k
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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 ...
0
votes
0
answers
35
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Fingerprint recognition not working with new screen guard on OnePlus 9R
I have a OnePlus 9R Android phone and the screen guard cracked when the phone fell.
I tried to buy a replacement screen guard from one plus but the official site shows it as out of stock for the last ...
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2
votes
0
answers
84
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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
1
answer
131
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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 ...
- 121
4
votes
1
answer
75
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Does anyone else have to re-register their fingerprints every few days?
Not an Android question exactly, but 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 ...
- 41
1
vote
0
answers
28
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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]."...
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0
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248
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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 ...
- 101
1
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0
answers
1k
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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.
- 111
2
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0
answers
206
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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 ...
- 31
1
vote
0
answers
343
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 (...
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1
vote
0
answers
666
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 ...
- 121
1
vote
0
answers
657
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 ...
0
votes
1
answer
43
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
1k
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:...
user343035
2
votes
0
answers
74
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 ...
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1
vote
2
answers
278
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?
- 123
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 ...
- 21
1
vote
1
answer
146
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 (...
- 227
0
votes
1
answer
357
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 ...
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2
votes
0
answers
296
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 ...
- 281
3
votes
0
answers
156
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 "...
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4
votes
3
answers
54k
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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 ...
1
vote
0
answers
50
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 ...
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1
vote
3
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1k
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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
0
answers
3k
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.
...
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3
votes
1
answer
587
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?
- 514
1
vote
0
answers
166
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 ...
0
votes
0
answers
1k
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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 ...
user270222
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 ...
1
vote
1
answer
882
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?
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2
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0
answers
49
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.
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7
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 ...
- 71
2
votes
0
answers
122
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 ...
- 549
1
vote
0
answers
495
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....
- 141
1
vote
2
answers
115
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 ...
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0
votes
1
answer
693
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 ...
- 103
0
votes
0
answers
772
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 ...
- 133
0
votes
1
answer
919
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 ...
- 290
-1
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1
answer
1k
views
0
votes
0
answers
179
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 ...
- 189
1
vote
0
answers
25
views
Can I use Android Biometric to Authenticate 20+ Users
Is it possible to use a centralized biometric database with Android or am I limited to users having to create and register their fingerprints on the device lock-screen on each Android device?
I have ...
- 11
2
votes
0
answers
406
views
Nougat: force to enter PIN and disable fingerprint every hour or every 10th time
Is it possible to set Android 7 Nougat to ask for the PIN every hour or every 10th time, when using fingerprint to unlock a phone? The fingerprint unlocking is very convenient, but it seems not that ...
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1
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9k
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 ...
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 ...
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0
votes
0
answers
190
views
Can I use full disk encryption and unlock it with fingerprint on Android 6.0?
I would love to encrypt my phone. But I would only do it if I can unlock it after boot using my fingerprint.
- 309
1
vote
1
answer
583
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 ...
- 143
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 (...
- 358