{"id":1687,"date":"2022-11-19T00:28:23","date_gmt":"2022-11-18T19:28:23","guid":{"rendered":"https:\/\/thecelldesk.com\/?p=1687"},"modified":"2023-11-12T12:17:22","modified_gmt":"2023-11-12T07:17:22","slug":"samsung-a21s-fingerprint-sensor-not-working","status":"publish","type":"post","link":"https:\/\/thecelldesk.com\/samsung-a21s-fingerprint-sensor-not-working\/","title":{"rendered":"How To Fix Samsung A21s Fingerprint Sensor Not Working?"},"content":{"rendered":"\n<figure class=\"gb-block-image gb-block-image-3c8d9d77\"><img loading=\"lazy\" decoding=\"async\" width=\"170\" height=\"222\" class=\"gb-image gb-image-3c8d9d77\" src=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/samsung-a21s-fingerprint-sensor-not-working.png\" alt=\"samsung-a21s-fingerprint-sensor-not-working\" title=\"samsung-a21s-fingerprint-sensor-not-working\"\/><\/figure>\n\n\n\n<p>The fingerprint is the fastest and most secure method to access your phone. The authentication process is faster than other PIN\/Password or pattern methods. <\/p>\n\n\n\n<p>All you have to do is place your registered finger in the right position (fingerprint sensor area) to get over the authentication process successfully.<\/p>\n\n\n\n<p>If you are unable to proceed with a fingerprint sensor authentication process on your smartphone, then there is a high chance your registered finger might be dirtier or the fingerprint sensor area on the phone might be covered by stains.<\/p>\n\n\n<div class=\"gb-container gb-container-6102ec88\">\n\n<h2 class=\"gb-headline gb-headline-adace74e\"><span class=\"gb-icon\"><svg aria-hidden=\"true\" role=\"img\" height=\"1em\" width=\"1em\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path fill=\"currentColor\" d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm0 48c110.532 0 200 89.451 200 200 0 110.532-89.451 200-200 200-110.532 0-200-89.451-200-200 0-110.532 89.451-200 200-200m140.204 130.267l-22.536-22.718c-4.667-4.705-12.265-4.736-16.97-.068L215.346 303.697l-59.792-60.277c-4.667-4.705-12.265-4.736-16.97-.069l-22.719 22.536c-4.705 4.667-4.736 12.265-.068 16.971l90.781 91.516c4.667 4.705 12.265 4.736 16.97.068l172.589-171.204c4.704-4.668 4.734-12.266.067-16.971z\"><\/path><\/svg><\/span><span class=\"gb-headline-text\">Quick Fixes<\/span><\/h2>\n\n\n\n<p><strong>You should remove the old fingerprints and try to register with new fingerprints. Follow the on-screen instructions to complete the scanning process successfully. After that, reboot your phone. Once, your phone boots up, then check if the fingerprint sensor is working. <\/strong><\/p>\n\n<\/div>\n\n\n<p>If the fingerprint sensor is still not working, then you should perform a soft reset on your Samsung Galaxy A21s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Soft-Reset\">Soft Reset<\/h2>\n\n\n\n<p>Sometimes, a minor glitch in the device software happens to cause such an issue. These types of minor problems can be very well eliminated by performing a soft reset on your device. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"366\" src=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/01\/soft-reset-power-off-1024x366.png\" alt=\"soft reset (power off)\" class=\"wp-image-4275\" srcset=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/01\/soft-reset-power-off-1024x366.png 1024w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/01\/soft-reset-power-off-300x107.png 300w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/01\/soft-reset-power-off-768x274.png 768w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/01\/soft-reset-power-off.png 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul>\n<li>Simultaneously, press and hold the &#8220;Power&#8221; and &#8220;Volume Down&#8221; buttons until the &#8220;Power Off&#8221; options appear on the phone screen.<\/li>\n\n\n\n<li>Next, select the &#8220;Power OFF&#8221; option and wait for your phone to completely turn OFF.<\/li>\n\n\n\n<li>Now, wait for several minutes (2-3) and then press the Power button to turn ON your smartphone.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Boot-Into-Safe-Mode\">Boot Into Safe Mode<\/h2>\n\n\n\n<p>Safe mode allows you to test the device and app functionality to diagnose the issues. In this mode, all the third-party apps are disabled and you are left behind with the built-in apps only. Therefore, it makes it easy for you to diagnose the issue. <\/p>\n\n\n\n<p>When in safe mode, use the fingerprint sensor, if it is working fine, then it means some third-party apps are causing the issue. <\/p>\n\n\n\n<p>Hence, in that particular case delete all the third-party apps or at least the ones you have recently installed on your phone to eliminate the issue you are facing.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"366\" src=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/02\/boot-your-phone-into-safe-mode-1024x366.png\" alt=\"boot your phone into safe mode\" class=\"wp-image-4148\" srcset=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/02\/boot-your-phone-into-safe-mode-1024x366.png 1024w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/02\/boot-your-phone-into-safe-mode-300x107.png 300w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/02\/boot-your-phone-into-safe-mode-768x274.png 768w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/02\/boot-your-phone-into-safe-mode.png 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p><strong>How To Boot into Safe Mode?<\/strong><\/p>\n\n\n\n<ul>\n<li>Simultaneously, press and hold the &#8220;Power&#8221; and &#8220;Volume Down&#8221; buttons until the &#8220;Power Off&#8221; options appear on the phone screen.<\/li>\n\n\n\n<li>Next, tap and hold the &#8220;Power Off&#8221; option until you see the &#8220;Safe mode&#8221; option appears.<\/li>\n\n\n\n<li>Finally, tap &#8220;Safe mode&#8221; and wait until the phone enters safe mode successfully. It should take several seconds. Further, you will also be able to see the &#8220;Safe mode&#8221; at the bottom left corner of the screen.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Clear-System-Cache\">Clear System Cache<\/h2>\n\n\n\n<p>Another fix that can lead you to eliminate this particular issue is booting into the recovery mode of your smartphone. <\/p>\n\n\n\n<p>By doing so, you will be then able to wipe the cache partition. This method removes all the temporary files that might be causing issues to your device.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"356\" src=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/03\/how-to-wipe-cache-partition-1024x356.png\" alt=\"how to wipe cache partition\" class=\"wp-image-3526\" srcset=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/03\/how-to-wipe-cache-partition-1024x356.png 1024w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/03\/how-to-wipe-cache-partition-300x104.png 300w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/03\/how-to-wipe-cache-partition-768x267.png 768w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/03\/how-to-wipe-cache-partition.png 1150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul>\n<li>Switch OFF your smartphone.<\/li>\n\n\n\n<li>To enter into recovery mode, press and hold the &#8220;Power&#8221; and &#8220;Volume UP&#8221; buttons until you boot into recovery mode successfully.<\/li>\n\n\n\n<li>Once in recovery mode, use the volume buttons to switch between different options and the power button to select the desired option.<\/li>\n\n\n\n<li>In recovery mode options, select the &#8220;Wipe Cache Partition&#8221; option and continue by pressing the &#8220;Yes&#8221; to confirm.<\/li>\n\n\n\n<li>When you are done with it, reboot your phone by selecting the &#8220;Reboot the System Now&#8221; option.<\/li>\n<\/ul>\n\n\n\n<p>That&#8217;s it, you are done with clearing the system cache. Once your smartphone boots up successfully, then check whether the fingerprint sensor is fine or still the problem persists.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Register-with-Multiple-Fingers\">Register with Multiple Fingers<\/h2>\n\n\n\n<p>After activating the fingerprint ID on your smartphone, you should register with multiple fingers as this might allow you to get the benefit of an alternate finger when the authentication process fails with a particular finger.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"366\" src=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/08\/add-multiple-fingerprints-1024x366.png\" alt=\"add-multiple-fingerprints\" class=\"wp-image-4363\" srcset=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/08\/add-multiple-fingerprints-1024x366.png 1024w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/08\/add-multiple-fingerprints-300x107.png 300w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/08\/add-multiple-fingerprints-768x274.png 768w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/08\/add-multiple-fingerprints.png 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul>\n<li>Head over to &#8220;Settings&#8211;&gt;Security and privacy&#8221;.<\/li>\n\n\n\n<li>Next, tap &#8220;Biometrics&#8221; and then tap &#8220;Fingerprints&#8221;.<\/li>\n\n\n\n<li>Now, tap the &#8220;Add fingerprint&#8221; option to register multiple fingerprints.<\/li>\n\n\n\n<li>Further, follow the on-screen instructions to complete the scanning process.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Re-register-your-Fingerprints\">Re-register your Fingerprints<\/h2>\n\n\n\n<p>You can also give it a try by removing your old fingerprints and then registering by scanning your new fingerprint. There is also a possibility that the issue might occur due to ambiguous fingerprint data. <\/p>\n\n\n\n<p>Therefore, proceed with removing the old fingerprint and try adding the new one.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"663\" src=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/remove-fingerprints-1024x663.jpg\" alt=\"remove fingerprints\" class=\"wp-image-4502\" style=\"width:297px;height:192px\" srcset=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/remove-fingerprints-1024x663.jpg 1024w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/remove-fingerprints-300x194.jpg 300w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/remove-fingerprints-768x497.jpg 768w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/remove-fingerprints.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul>\n<li>Head over to &#8220;Settings&#8221;.<\/li>\n\n\n\n<li>Next, scroll down a bit and tap on &#8220;Biometrics and security&#8221;.<\/li>\n\n\n\n<li>Further, tap &#8220;Fingerprint&#8221;.<\/li>\n\n\n\n<li>Now, delete all your registered fingerprints by selecting them and then tapping the remove button.<\/li>\n<\/ul>\n\n\n\n<p>That&#8217;s it, you have successfully removed the old fingerprints. Now, it&#8217;s time to add new fingerprints by completing the scanning process.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"583\" src=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/Add-fingerprints-1024x583.jpg\" alt=\"Add fingerprints\" class=\"wp-image-4503\" style=\"width:341px;height:194px\" srcset=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/Add-fingerprints-1024x583.jpg 1024w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/Add-fingerprints-300x171.jpg 300w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/Add-fingerprints-768x437.jpg 768w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2022\/11\/Add-fingerprints.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul>\n<li>Head over to &#8220;Settings&#8221;.<\/li>\n\n\n\n<li>Next, scroll down a bit and tap on &#8220;Biometrics and security&#8221;.<\/li>\n\n\n\n<li>Further, tap &#8220;Fingerprint&#8221;.<\/li>\n\n\n\n<li>Now, tap the &#8220;Add Fingerprint&#8221; option and follow the on-screen guide to complete the scanning process.<\/li>\n\n\n\n<li>After the successful completion of fingerprint scanning, finally, tap &#8220;Done&#8221; or proceed to tap on the &#8220;Add fingerprint&#8221; option if you want to add multiple fingerprints.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Update-the-phone-software\">Update the phone software<\/h2>\n\n\n\n<p>Most of the problems occur due to an outdated version of software running on the device. Hence, you need to check for the latest update and if available, then download and install it on your smartphone. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"900\" src=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/Update-the-software.png\" alt=\"Update-the-software\" class=\"wp-image-4590\" style=\"width:386px;height:auto\" srcset=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/Update-the-software.png 900w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/Update-the-software-300x300.png 300w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/Update-the-software-150x150.png 150w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/Update-the-software-768x768.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure><\/div>\n\n\n<ul>\n<li>Head over to \u201cSettings\u201d.<\/li>\n\n\n\n<li>Scroll down to the bottom and select \u201cSoftware Update\u201d.<\/li>\n\n\n\n<li>Next, tap the \u201dDownload and install\u201d option.<\/li>\n<\/ul>\n\n\n\n<p>If any recent version of the update is available, then download and install it on your Samsung A21s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Perform-Factory-Data-Reset\">Perform Factory Data Reset<\/h2>\n\n\n\n<p>This method is very effective and worth considering when facing any kind of issue on your device. This will restore all the settings to the factory default settings. <\/p>\n\n\n\n<p>But you need to take a complete backup of your important data as it will wipe all the available data on your device.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"900\" src=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/perform-factory-data-reset-1.png\" alt=\"perform-factory-reset\" class=\"wp-image-4592\" style=\"width:430px;height:auto\" srcset=\"https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/perform-factory-data-reset-1.png 900w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/perform-factory-data-reset-1-300x300.png 300w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/perform-factory-data-reset-1-150x150.png 150w, https:\/\/thecelldesk.com\/wp-content\/uploads\/2023\/09\/perform-factory-data-reset-1-768x768.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure><\/div>\n\n\n<ul>\n<li>Head over to \u201cSettings-&gt;General Management\u201d.<\/li>\n\n\n\n<li>Scroll down to the \u201cReset\u201d option.<\/li>\n\n\n\n<li>Next, tap \u201cFactory Data Reset\u201d.<\/li>\n\n\n\n<li>Finally, tap \u201cReset\u201d.<\/li>\n<\/ul>\n\n\n\n<p>Please wait for the process to complete, once it finishes, the phone will boot up and will be directed to the Welcome screen. Now, set up your phone accordingly by following the on-screen instructions.<\/p>\n\n\n\n<p><strong>Related:<\/strong> <a href=\"https:\/\/thecelldesk.com\/fix-samsung-galaxy-a21s-nfc-not-working\/\" target=\"_blank\" rel=\"noreferrer noopener\">How To Fix Samsung Galaxy A21s NFC Not Working?<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Are you having issues with the fingerprint sensor on your Samsung A21s? If yes, follow this troubleshooting process that includes multiple fixes. Some of them are as follows:<\/p>\n\n\n\n<ul>\n<li>Soft Reset your smartphone.<\/li>\n\n\n\n<li>Boot into Safe mode.<\/li>\n\n\n\n<li>Clear System Cache.<\/li>\n\n\n\n<li>Update Software.<\/li>\n\n\n\n<li>Re-register your fingerprints.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The fingerprint is the fastest and most secure method to access your phone. The authentication process is faster than other PIN\/Password or pattern methods. All &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"How To Fix Samsung A21s Fingerprint Sensor Not Working?\" class=\"read-more button\" href=\"https:\/\/thecelldesk.com\/samsung-a21s-fingerprint-sensor-not-working\/#more-1687\" aria-label=\"More on How To Fix Samsung A21s Fingerprint Sensor Not Working?\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":1694,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[3],"tags":[512,517],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How To Fix Samsung A21s Fingerprint Sensor Not Working?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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