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10 Ways To Fix Samsung S24 Fingerprint Sensor Not Working

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Jul 12, 2024 • Filed to: Remove Screen Lock • Proven solutions

If you own one of the latest Samsung smartphones and are reading this, you’ve probably noticed something not-so-great. That is Galaxy S24 fingerprint sensor is not working as it should. You rely on that sensor for privacy and security, but when it is not responding or can’t recognize your fingerprint, it is a problem.

No worries, we did some research for you. In this guide, you’ll learn why your Samsung S24 fingerprint sensor is not working and, most importantly, how to fix it. Stick around, and let’s get that fingerprint sensor fixed. If not, you can use Dr. Fone’s Screen Unlock tool if you’ve got a broken screen.

samsung galaxy s24 and s24 ultra

Part 1: Why Is Samsung S24 Fingerprint Sensor Not Working?

There’s no one-size-fits-all answer to why your S24 fingerprint sensor is not working. Let’s explore some potential reasons:

Sensor Damage or Malfunction

Your Samsung device’s fingerprint sensor may not work due to physical damage. It could be due to a drop, water exposure, or internal component failure. Also, consider cracks or other impacts that might have happened on your Samsung phone. Internal issues further complicate accurate fingerprint reading.

Software Bugs or Outdated Software

Software isn’t perfect. And even the sleek S24 or S24 Ultra can experience bugs that mess with the fingerprint sensor’s performance. A buggy update or not having the latest software version might be the reason that why your fingerprint isn’t unlocking your phone.

Extreme Temperature

Imagine leaving your device in scorching sunlight or freezing temperatures. It can happen whether you own the latest smartphones, such as an S24 Ultra. Exposure to harsh temperature conditions may also lead to the Samsung S24 Ultra fingerprint sensor not working.

using phone outdoors

Dry, Wet, or Dirty Fingers Interfering With Sensor Reading

Believe it or not, the condition of your fingers can significantly impact the sensor’s ability to read them. Picture sweaty fingers from hot weather or wet fingers after washing. Any moisture interferes with accurate fingerprint reading.

Scratches or Damage on the Sensor Area

Scratches or damage to the sensor area itself can also hinder its function. Even minor scuffs can disrupt the sensor’s ability to recognize your fingerprint.

Thick or Incompatible Screen Protector

If you have a Samsung S24 fingerprint sensor that’s not working with a screen protector, that may be the cause. Not all screen protectors are the same. A thick or incompatible screen protector can block the sensor.

Conflicting Fingerprint Profiles

Having conflicting fingerprint profiles in the system can create confusion for the sensor. Ensuring accurate and sufficient fingerprint data is crucial for optimal sensor performance.

Part 2: 10 Methods To Fix Samsung S24/ S24 Ultra Fingerprint Sensor Not Working

Once you know the reason why your Samsung S24 or S24 Ultra fingerprint sensor is not working, you’ll know what to do next. Now, equip yourselves with several ways to fix the problem and access your device. Here are 10 effective methods, presented with a step-by-step guide:

Fix 1: Clean Both Fingers and Phone Screen

Start with simple fixes for a not-working Galaxy S24 fingerprint sensor. Wash and dry your hands thoroughly and moisturize if they’re too dry. Use a soft microfiber cloth for the phone to gently clean the sensor area without harsh chemicals.

wiping phone screen

Fix 2: Bypass Lockscreen Without Data Loss With Dr.Fone

Experiencing trouble with the Samsung S24 fingerprint sensor not working? Wondershare Dr.Fone - Screen Unlock offers a reliable solution for Android devices. If your Samsung phone fails to recognize fingerprints or faces issues, Dr.Fone can bypass any lock screen type without data loss. It is one of the best apps to fix your Samsung device’s fingerprint recognition problems. Even if your screen is broken, Dr.Fone gets you back in hassle-free.

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If your Samsung S24 fingerprint sensor is not working because your device can’t recognize your fingerprint, Dr.Fone can help you regain access. It is user-friendly, efficient, and keeps your data safe. So, download and install Dr.Fone on your desktop now. Then, follow these quick steps to unlock your Samsung S24/S24 Ultra:

  • Step 1: Launch the app on your desktop and use a USB cable to connect your Samsung S24 or S24 Ultra. Next, select Screen Unlock from the Toolbox on the main page.
  • dr.fone toolbox interfac

    safe Downloadsafe & secure
  • Step 2: Select Android as your device type, then choose Unlock Android Screen on the next window.
  • dr.fone screen unlock tool

  • Step 3: If you have a Samsung device and want to keep your data, select it from the listed brands and choose Remove without Data Loss.
  • remove lock screen more options

  • Step 4: Choose your device detail in the dropdown lists, then click Next to proceed.
  • select brand and device model

  • Step 5: Enter the given code in the pop-up window to confirm your device model, then click Confirm.
  • confirm selected device model

  • Step 6: Follow the in-app guide to put your Samsung smartphone in Download Mode.
  • instructions to enter download mode

  • Step 7: The next screen displays the screen unlock progress, including the configuration file download. Wait until Dr.Fone has removed the lock screen on your Samsung device.
  • iremoving screen lock progress

    Fix 3: Ensure the Sensor Area Is Not Scratched or Damaged

    If there are scratches or cracks on your phone’s sensor area, it can cause sensitivity problems with the screen. To check, examine the sensor area closely under bright light. Look for visible scratches, cracks, or chips. Even if the sensor isn’t entirely broken, these issues can result in fingerprint recognition failures. If you discover any problems, it’s advisable to seek professional repair assistance.

    sample of a broken phone screen

    Fix 4: Ensure Proper Finger Placement and Pressure

    Remember how you registered your fingerprint? Applying the same pressure and placing your finger in the same position during scanning can improve recognition. Try to mimic the registration process when unlocking your Samsung smartphone. Place your finger on the entire sensor longer or change the angle of your finger.

    correct finger placement over sensor

    If your Samsung phone does not recognize the fingerprint, inspecting the screen protector is essential. A dirty or scratched screen protector can affect fingerprint recognition. Wipe it clean and try again. Also, if you notice any scratches, consider replacing the screen protector. Then, you can also follow these workarounds below and see if it fixes an S24 fingerprint sensor not working:

  • Step 1: Remove any screen protectors or cases you have installed.
  • Step 2: Try using the fingerprint sensor without them.
  • Step 3: If the sensor works without them, you might need a different screen protector or case compatible with the S24/S24 Ultra.
  • remove screen protector

    It’s crucial to be aware that using unsuitable screen protectors may reduce the fingerprint recognition rate. Avoid attaching thick protective films or glass-type protectors that are not Samsung-approved. These can cause the Samsung S24 fingerprint sensor not to work with a screen protector. Instead, opt for a screen protector specifically approved for Samsung devices. It ensures compatibility and maintains the effectiveness of the fingerprint recognition feature on your Galaxy phone.

    Fix 6: Remove Cache Partition

    Sometimes, temporary data can interfere with the Samsung phone fingerprint sensor’s functionality. Clearing its cache partition might help if the fingerprint sensor is not working or can’t recognize your fingerprint. This method won’t delete your data, such as photos, videos, music, or documents. Here’s how to clear the cache partition on your Samsung phone:

  • Step 1: Turn off your Galaxy S24/S24 Ultra device.
  • Step 2: Press and hold the Bixby (or Side) and Volume Up buttons simultaneously until you see the Android logo. You can also press and hold the Power button instead of the Bixby button.
  • Step 3: Release the buttons when the Recovery screen appears.
  • Step 4: Use the Volume Down button to select Wipe cache partition, then press the Power button.
  • wipe cache partition on android

  • Step 5: Select Yes when prompted to confirm using the Volume Down button.
  • Step 6: Press the Power button.
  • Step 7: Wait for your phone to clear the cache partition. Once complete, select Reboot system now.
  • Step 8: Press the Power button to restart your phone. After that, try using the fingerprint sensor again.
  • Fix 7: Restart Your Device

    System resources can become overloaded when your Samsung phone runs for extended periods. It can potentially affect the performance of certain features, like the fingerprint sensor. A force restart frees up these resources and gives the sensor a clean slate to operate on. Here’s how to do it without using the side buttons:

  • Step 1: Swipe down from the top of the screen and find the Quick Settings panel.
  • Step 2: Tap the Power icon.
  • Step 3: Choose Restart and confirm if prompted.
  • Fix 8: Remove From Wireless Charger

    While convenient, wireless charging can sometimes interfere with fingerprint recognition. The electric waves can disrupt the sensor’s ability to read your fingerprint accurately. To fix the Samsung s24 fingerprint sensor not working problem, take your phone off the wireless charger. Place it on a flat surface and try using the fingerprint sensor again.

    samsung wireless charger

    Fix 9: Remove Then Re-Register Your Fingerprint

    Sometimes, re-registering your fingerprint can fix the issue. Here’s how:

  • Step 1: Go to Settings > Security and privacy > Fingerprints.
  • Step 2: Enter your PIN, pattern, or password and tap Continue.
  • Step 3: Select the fingerprint you want to remove and tap Remove.
  • remove registered fingerprint

  • Step 4: Confirm, then register your fingerprint again.
  • Tip:

    Set up an alternative security method in case your fingerprint sensor malfunctions again.

    Fix 10: Check for Software Updates

    Outdated software can sometimes cause bugs and glitches. Ensure your S24 is running the latest software version by checking for updates.

  • Step 1: Open your Samsung device Settings, then go to Software update.
  • Step 2: Although the next steps may vary, tap Download and Install if a software update is available.
  • Step 3: Follow the in-app instructions to update your smartphone.
  • rdownloading software update

    Conclusion

    Fixed your Samsung S24 fingerprint sensor not working? Great! Remember, you can apply these methods above in most cases. However, consider consulting Samsung support or authorized repair services if the issue persists.

    Or, for a quick and professional solution, Dr.Fone Screen Unlock remains a reliable option. It stands out as one of the most effective apps in the market that can bypass an Android screen lock. Consider trying Dr.Fone to resolve Samsung S24 or S24 Ultra fingerprint sensor recognition problems.

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    James Davis

    staff Editor

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