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Touch ID has suddenly stopped working on your iPhone 6/6 Plus and you are looking for some quick solutions to make it work again? You might also be willing to find out why the fingerprint identity sensor has refused to function as usual. If you are on my expected line, then go through these solutions to cut the chase right away.

Coming back to the question as to why Touch ID may not be working on your iPhone, I would say you might have to blame sweat, liquid or even improper placement of finger. Though I won't rule out software glitch as well.

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Touch ID Not Working on iPhone

When iPhone 6(s)/6(s) Plus Touch ID Not Working…

Before we provide you any solution to your Touch ID problem, just imagine what makes your Touch ID fail or when Touch ID fails to work.

Calibrating Fingerprint Properly

One of the first mistakes happens when you calibrate the fingerprint. Even though the iPhone 6 or 6 Plus sends you a message that your finger has been calibrated successfully, there are some chances that the calibration is not done perfectly.

When you calibrate, hold your iPhone as you’d normally hold. Don’t hold it “perfectly” because that’s not how you hold it during normal use. Then, calibrate the finger.

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While calibrating, please ensure that you put your fingers in all possible positions including edges & tips of your fingers; all parts of your finger should be scanned. Also, ensure that your finger touches the metal ring around the Home button. If you're using a case or screen protector, make sure it doesn't cover the Home button or the surrounding ring. If it does, remove the case or screen protector and try again.

This will help you later when you use your fingerprint to unlock your iPhone 6 or 6 Plus.

No Damp Screens or Fingers

In other cases, dampness, moisture, sweat, cold – all of this plays a role in preventing the TouchID from working correctly. This happens both ways: if your finger is damp or if the home button has some moisture over it.

Touch Lightly

Apply less force when touching the Home button of your device.

Keep Your Finger Dry

Make sure to keep your fingers clean and dry.

Clean Home Button

Use a smooth cloth to clean the Home button and your finger and try again.

Do not Cover Home Button

Ensure that screen protector or case doesn't cover up the Home button of your device.

Register Finger Properly

Your finger must be properly touching the capacitive metal ring and the Home button. Make sure to keep your finger at one place at the time of authentication.

How to fix Touch ID Not Working Issue on iPhone 6/6 Plus

Step #1. Launch Settings → Scroll down to tap on Touch ID and Passcode. Enter your passcode.

Tap on Touch ID & Passcode Settings on iPhone

Step #2. Turn OFF iPhone Unlock and iTunes & App Store.

Turn Off Touch ID on iPhone 6 and 6 Plus

Step #3. Press home button to return to home screen and then restart your iPhone by pressing sleep/wake button and home button.

How to Restart-Reboot iPhone 6 and 6 Plus

Step #4. Launch Settings → Scroll down to tap on Touch ID and Passcode. Enter your passcode.

Step #5. Turn ON iPhone Unlock and iTunes & App Store.

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Turn ON Touch ID on iPhone 6 and 6 Plus

Step #6. Tap on Add a Fingerprint… and add another finger as usual.

Add Fingerprint on iPhone Touch ID

If the above-mentioned method is not working, enable Rest Finger to Open. To do so;

Step #1. Go to Settings → General.

Tap on Settings Then General on iPhone 7

Step #2. Tap on Accessibility.

Tap on Accessibility in iPhone 7 Plus Settings

Step #3. Tap on Home Button.

Tap on Home Button in Accessibility Settings on iPhone

Step #4. Turn On Rest Finger to Open.

Turn On Rest Finger to Open on iPhone

Solution #3. Update iOS

If none of the tricks mentioned above have fixed the issue, update your iPhone to the latest iOS version. It would not just make your device run more smoothly but also get rid of some miscellaneous issues. Settings → General → Software Update.

With the above steps, Touch ID will start working properly.

What if nothing work?

If Touch ID issue continues to haunt your device, then, you should contact Apple for help.

Wrap Up

Assuming you have been able to resolve the problem using these solutions. They have worked for many users, and I expect them to deliver the goods to you as well.

You might like to have a quick look at these guides as well: how to fix Bluetooth not working issue, how to bypass Activation Lock, and how to fix iMessage activation error.

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Have any feedback? Share it in the comments below. To easily access more such troubleshooting guides, download our app and remain connected with us on Facebook, Twitter, and Google Plus.

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Jignesh Padhiyar is the founder of iGeeksBlog.com who has a keen eye for news, rumors and all the unusual stuff that happens around iPhone and iPad.
  • Vinicius Sette

    Is this problem solved in 9.3 beta?

  • Casmina

    the Ad finger print button is not clickable on my iphone 6 and I cannot use the touch ID. this is after ios 9.1. please help. Also the battery is going down faster than before.

  • Casmina

    I did too but not working on my iphone 6after ios 9.1. Also I have got another problem. The battery is going down so fast, which did not happen before.

  • feroz

    i did all steps no use after update ios 9.1

  • Thank you, resetting the iPhone helped with the fingerprint problem as well as the stuck front camera problem, thanks !

  • EdFromTheTop

    I meant 6 plus. So sorry.

  • EdFromTheTop

    I need clarification, please. I changed a cracked screen on an iPhone 6 on which everything was previously working fine. After the change the home button no longer functions. I understand that is a separate issue from my main question which is as follows. I have read that if one replaces the shield ad attached home button cable, the fingerprint ID will no longer function because the original home button is uniqueto the logic board. Is there no way to restore fingerprint ID after having to change the home button, which I will apparently have to do as the original is no longer working? Any insight will be greatly appreciated. Thank you.

    • sania sharfunnisa

      I have the same problem. What have you done?

    • sania sharfunnisa

      I am facing the same problem. Please let me know the details

      • Sperr Gebiet

        I had to replace my cracked screen too. By doing that, I damaged the flexcable that connects the Home-Button with the LCD Shield Backplate. So I ordered a new LCD Backplate, mounted it and everything worked fine. If you did not damage the Home Button or the connector on the Home Buttons side but the Backplate, you can order one, its cheap. But beware: My Home Button and Touch ID worked perfect for 2 month, now suddenly the Touch ID only works about 1 time of 10. And it becomes worse, I have no clue what could be the reason.

      • Sperr Gebiet

        I just reopened my iPhone and ‘rechecked’ the connection between Home Button and Backshieldplate (just by pressing gentle on it, not by de- and reconnecting it). Luckily it did the job, probably it was just some contact not working properly. I hope that will last longer than 2 month now.