Skip to main content
New
Stack Overflow Jobs powered by Indeed: A job site that puts thousands of tech jobs at your fingertips (U.S. only). Search jobs
13 votes

Use fingerprint to unlock the lock screen after booting Pixel 6

Unfortunately there is no way to use fingerprint as authentication directly after rebooting the device. The first unlock always have to be performed using the PIN/password, because the PIN/Password is ...
Robert's user avatar
  • 20.3k
10 votes

Use fingerprint to unlock the lock screen after booting Pixel 6

Robert's answer describes why you unfortunately cannot unlock an android phone with a fingerprint after a reboot. However, depending on you password habits, there's a significant chance you can guess ...
Vaelus's user avatar
  • 201
9 votes

Where does Android store fingerprint data?

try removing these files also /data/system/users/0/fpdata/user.db /data/system/users/0/settings_fingerprint.xml Instead of removing files, appending the filenames with some random extension would be ...
lazykiller's user avatar
6 votes
Accepted

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

As for the camera and mic part, If you simply search the web for phrases like "use Android camera/mic on PC", you will come across many apps; some of them actually do the job. I have used an app ...
ManSamVampire's user avatar
6 votes
Accepted

Backup app's fingerprint data and restore

No, not possible even with root. And rightly so, since accessing fingerprint data is a huge security risk. Android stores fingerprint data in Trusted Execution Environment and can't be accessed even ...
beeshyams's user avatar
  • 41k
5 votes

Use fingerprint to unlock the lock screen after booting Pixel 6

Vaelus' answer is the most useful one here, and did well to cover the actual kinds of tools you want to be looking into, so I won't repeat those here - this answer is more concerning the methodology ...
Hashim Aziz's user avatar
4 votes
Accepted

Completely disable the fingerprint sensor

On Linux (and Android) it is possible to disconnect a device from its driver[1]. The fingerprint driver (denoted as fpc) on my LG G5 has the name fpc1020. Searching in the /sys path gave me the folder ...
Joe's user avatar
  • 56
4 votes

How do I disable|reset the fingerprint scanner on the nexus 6p?

I've solved this problem by deleting /data/fpc/ and the fpdata folders in the folders in /data/system/users/.
zhongfu's user avatar
  • 141
3 votes
Accepted

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

On stock Android, a backup authentication method is required after 5 failed attempts, or 48 hours since the last time that backup authentication method is used. Using a screen off app will trigger ...
plttn's user avatar
  • 156
3 votes
Accepted

How can I require my Android (latest version) phone to require BOTH a fingerprint and a password?

You can go trough Android's security using only one at once. For example, if you have both Fingerprint and Pattern activated, only one of them is required to unlock the device. However, with third ...
Nato Boram's user avatar
3 votes

Can I make Android require Fingerprint + PIN to unlock the screen?

One solution is to use Tasker. Set up your phone to use a fingerprint as the standard unlock mechanism, with a strong password as the backup unlock (required if the fingerprint fails, or every time ...
Stephen S's user avatar
  • 5,407
2 votes
Accepted

No fingerprint reader after adding self signed certificate

Step 1: Make the certs compatible (if they are not already) At the very beginning we need to figure the file name of our the cert file. The name of the cert file is a hash one can obtain from the ...
Izzy's user avatar
  • 91.1k
2 votes
Accepted

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

Welcome to the community ☺ A backup plan is always necessary in case the fingerprint sensor doesn't recognize fingerprints or gets broken or something that it doesn't function as expected Coming to ...
Harsh Gundecha's user avatar
2 votes

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

No, your fingerprint data never leaves your device. Your fingerprint data is stored securely and never leaves your Pixel or Nexus phone. Your fingerprint data isn't shared with Google or any apps ...
bmdixon's user avatar
  • 8,825
2 votes

Use fingerprint in apps but not device unlock

There's an old Android Device Admin API for disabling fingerprints on the lockscreen, which, while deprecated, continues working even on Android 14 as long as the app accessing that API targets at ...
JanH's user avatar
  • 46
1 vote

Fingerprints need to be re-registered every few days

Maybe you can try a couple of things, like washing off the screen and your hands and registering again, or maybe you can try to register one finger multiple times. From experience, the software learns ...
Foxyz's user avatar
  • 255
1 vote

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

For privacy reasons fingerprints images can never be accessed by Android apps. The following text is about Google Nexus/Pixel phones, but as far as I know it also applies to phones of other ...
Robert's user avatar
  • 20.3k
1 vote

How can I limit the number of fingerprint attempts before fallback to other login type?

It could be nice to know how many "a few" is.... From Marshmallow Compatibility Definition Document (CDD) , quoted here MUST rate limit attempts for at least 30 seconds after 5 false trials for ...
beeshyams's user avatar
  • 41k
1 vote
Accepted

How does Whatsapp use my mobile fingerprint in their app?

I just updated to 2.20.64 to check WhatsApp does need fingerprint permission, under " Use Fingerprint Hardware" and Use Biometric Hardware" You can check under permissions in Play Store - see "...
beeshyams's user avatar
  • 41k
1 vote
Accepted

Fingerprint lost phone unlocking ability – where to troubleshoot?

The problem was that in Knox Workspace, fingerprint reader got disabled by an event similar to a device security policy change which are issued by Knox Workspace administrator. This in turn disabled ...
miroxlav's user avatar
  • 227
1 vote
Accepted

MAM and Android: fingerprint option never shown

In order for it to work, you need to create a work profile and associate the fingerprint to that profile.
Luis Abreu's user avatar
1 vote

An error has occurred with the fingerprint sensor

Most likely the problem is with the fingerprint scanner itself. He was either damaged or moved away from the water, and he burned
Trevor Philips's user avatar
1 vote

Why does fingerprint sensor not work when phone is charging?

Don't know the exact answer but from my experience It seems that touch sensors are finely tuned and calibrated against voltage reference. Using power supply other than provided chargers might be ...
Mayank Kumar Chaudhari's user avatar
1 vote
Accepted

Why does fingerprint sensor not work when phone is charging?

As requested by OP posting answer, in response to my comment (now deleted) based on my experience Having a clean power supply, using original charger + USB cable, setting up finger prints again ...
beeshyams's user avatar
  • 41k
1 vote

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

In Android 8.1, password input in required when the phone is rebooted or is locked by administrator (e.g. a screen locker app). You may use a pin-code instead to ease the unlock process. Face ...
g0rdonL's user avatar
  • 171
1 vote

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

I don't know about fingerprints (since I don't use them), but to make Magisk prompt to grant/deny root access to an application without saving this preference, do the following: If you have already ...
Ruslan's user avatar
  • 306
1 vote

Allow fingerprint unlock but require password after a certain time limit

Samsung has its own ways of implementation so this may differ but stock implementation : Fingerprint can unlock the phone after it goes to sleep ( Settings &radar; Display → after xx minutes of ...
beeshyams's user avatar
  • 41k
1 vote
Accepted

How to set up fingerprint unlock on Honor 6A?

Basically you have to set up a pin (or password) before you can enable fingerprints on the device, and you will be always required to enter the pin/password when you first boot or the first time ...
xavier_fakerat's user avatar
1 vote

How to reset mobile fingerprint

Unlock the phone with security pin then go to settings > lockscreen > manage fingerprints Input your security pin again and then delete all registered fingerprints.
Deepak Gangwar's user avatar
1 vote

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

When you activate the fingerprint authentication for any third-party app, what it does is that it asks your Android system to initialize the fingerprint hardware which checks for your fingerprint. And ...
CaptainChrom's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible