Trying the above fixes should help get your phone fingerprint working again, otherwise, it's worth giving 'Factory Reset' a try. Resetting your device may guarantee fixes for software-related issues like this. If you could add another fingerprint, it should be able to unlock your device now. To do this, kindly open the Settings app, select "Security", tap on "Fingerprint", and add a new fingerprint. So when the touch id is not working on Android, kindly take advantage and add another fingerprint or delete the existing one and add it again. Most Android phones may also allow you to add up to five different fingerprints to unlock your phone. In this case, you should add another fingerprint from your phone settings. Now try using the fingerprint now to check if it works.Įspecially if what you do is industrial work, there might have been some changes to your fingers recently - like noticeable marks/lines - that are interfering with the registered fingerprint. Reboot your device after the partition is wiped successfully.Select Wipe Cache Partition using the Volume buttons and confirm with the power button.You may need to search online on how to boot to recovery mode on your phone if that doesn't work for you.) (This varies depending on the phone you use. Boot to Recovery mode by pressing the Volume up+ Power button simultaneously.And you should do it often after every system update.įollow the steps below to wipe the system cache on Android in recovery mode. Normally, this doesn't do any harm to your phone it just clears the stored frequently accessed data by apps and the system. In case your Android fingerprint is still not working, you might need to clear your phone system cache. To install an update, kindly open the Settings app, tap on 'System', select 'System Update', and download and install any pending update. Also, if the problem started after installing a system update, you may wait for the next update to fix the problem or roll back to the previous update. Try checking if you have a pending update on your device and install it. Update your softwareĪnother software-related issue that may cause the “ fingerprint sensor not working” issue is a software bug. Also, on some Android phones, you can long-press the power button for about 10s to automatically reboot your device. Just hold the power button and restart your phone. And it's worth giving a try since it can help fix lots of software-related issues like this. This will surely help out if the “android fingerprint not working” problem is software-related - usually when you've not restarted your phone for a while. Restart your deviceĪfter ruling out the cause of the problem to be a dirty finger or module, you should restart your phone. This is the same true for the touch ID, if you feel like the fingerprint module doesn't feel as it used to when you first purchased the phone, kindly visit a repair center also. So if your fingerprint module is clickable or shaking, you should visit the repair center as soon as possible. On most Android phones, the module is just as hard as the back panel. If you use a phone with a physical fingerprint or touch ID, try checking if the module is well connected. Check if the fingerprint module is well connectedĪs you already know, the module needs to be well connected for it to work properly. If the dirt is sticking to the module, gently clean it with wipes or a damp cloth wetted with alcohol (or little water if there's no alcohol).ĭo not scratch the module with hard/sharp objects in order not to damage it permanently. To fix this, kindly check if the fingerprint module has any liquid or dirt and clean it with a dry cloth. Especially if you used a moisturizer earlier, the module would accumulate liquid from your fingers, causing the sensor not to read your fingers properly. Just as having a clean finger, the fingerprint module should also be clean. Now try to unlock your phone with your fingerprint. The way out is to wash your hands, clean them, and wait for them to dry out. So, if your finger has any of these, you might not be able to unlock your phone using the fingerprint. The fingerprint sensor may not work if your hand is wet, moist, oily, or dirty. Just like any other biometric gadget, your phone fingerprint needs a clean finger to be able to unlock your device. Check if your finger has any liquid or dirtīefore nailing down your fingerprint problem to be a hardware or software defect, check your fingers.
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