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How to Fix: Fingerprint Scanner Not Working on Samsung

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It is very convenient for us to unlock Samsung phones with fingerprint. However, thing doesn\'t always go well and at some point, the fingerprint scanner just stops working for some reasons.

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How to Fix: Fingerprint Scanner Not Working on Samsung

Most Samsung new models are equipped with fingerprint scanner, including:

Galaxy A5/A7/A9/A9 Pro

Galaxy S5/S6/S7/S7 Edge

Galaxy Note 4 /Note 5

It is very convenient for us to unlock Samsung phones with fingerprint. However, thing doesn’t

always go well and at some point, the fingerprint scanner just stops working for some reasons.

Here we list all situations that Samsung phone is unable to be unlocked by fingerprint and how to

fix them.

Case 1: Samsung Failed to Recognize My Fingerprint

Q: I have a Galaxy Note 5 and use fingerprint to unlock my phone. It had been working fine. But

suddenly my phone just couldn’t recognize my fingerprint. What’s worse, I have forgot the

backup password. Now I am locked out of the phone. Help! Please!!!!!!!

A: Firstly, don’t panic. Secondly, check if your Note 5 is connected to Wi-Fi or cellular data. If it

does, you can unlock your phone again with Google account or via

Unlock Samsung with Google Account

Precaution: To unlock your Note 5 with Google account, you should have google account added

to your phone before you have been locked out.

After entering the wrong backup password for more than 5 times, you get the option of “Unlock

via Google”. Then type your Google email and password, tap “Sign in”. After you log in, the “Lock

Screen” will be reset as “Swipe”.


Unlock Samsung via

Precaution: You should have added Samsung account and turned on “Remote Control” on your

Samsung phone to use the unlocking feature on

Go to and log in with your Samsung account. Then find the “Unlock

my screen” option. Click on “Unlock” button and your get the message: the screen is unlocked.

Setup screen lock on the device.

Your Galaxy phone should be unlocked now.

Unlock Samsung by Factory Resetting

What if you have switched off network connection or don’t have a Google/Samsung account? You

can still get your phone unlocked by resetting the phone to factory settings.

Step 1. Put your phone into recovery mode. Turn off the device. Then press and hold the

“Volume Up”, “Power” and “Home” buttons at the same time until the Android logo appears.

Release “Power” button but continue to hold the other buttons until the following page comes



Step 2. Tap "wipe data/factory reset" and "wipe cache partition" to erase all the settings and data

in the phone. Then, reboot the phone, the screen lock will be removed.

Note: Factory resetting will wipe out all your settings and data in the phone. So you’ll lose all data

if you don’t have a backup.

Case 2: Fingerprint Scanner Stopped Working after Upgrading

Q: I used to unlock my phone with fingerprint. However, after I upgraded my Galaxy S6, the

fingerprint scanner stopped working. Every time I tried to add a fingerprint or use the scanner, I

got the message: Make sure Home button is clean and dry, then try again. What’s going on with

my phone?

A: Every Android new update may have some small bugs and cause problems in some models. To

eliminate the bugs, you should first wipe the cache partition in recovery mode first:

Put your phone into the recovery mode

Use the volume buttons to scroll down to highlight “Wipe Cache Partition”. Press the Power

button to confirm. After that, choose “Reboot System Now” to restart the phone.

If the problem persists after that, you may try factory reset the phone under recovery mode.

(Factory resetting the phone will delete all data and bring your phone back to factory state.

Therefore, backup important data to computer via FonePaw Android Data Recovery before

performing a factory reset).


If none of the above method works, then you may want to downgrade your Galaxy S6 by flashing

a new firmware to your phone.

Any more questions about fingerprint scanner not working on Samsung? Leave your question

below and we’ll see what we can do.