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How to Fix Touch ID Failed Error on iPhone & iPad after iOS Update

- "I have an iPhone 6 and its screen was broken badly. So I make an iPhone 6 Touch ID replacement by myself. However, my Touch ID says failed repeatedly. And I cannot complete Touch ID setup too…"
- "I got my iPhone SE few days after it was released. Everything works fine until one day my fingerprint stopped unlocking this Apple device. I am just unable to activate Touch ID on this iPhone SE. Can anybody help?"

Many people report Touch ID not working with different experience. Just as above has mentioned, someone has the problem that iPhone 6 Touch ID failed after screen replacement, while others are unable to activate Touch ID due to these or those reasons. Fortunately, this article can help you fix Touch ID not working problems with easy solutions in detail.

Touch ID Failed

Part 1: Common Solutions to Fix Touch ID Not Working

Follow steps below to figure out what makes your Touch ID failed and how to fix it. These are common solutions, with which you can fix Touch ID failure and back to its normal state with ease.

Solution 1: Turn Off iTunes Store and APP Store

Some Apple users complain that they cannot make a purchase in the iTunes Store or App Store after iOS 11.2/11.1/11 update. In addition, some users report that Touch ID does not showed up on older iOS versions any longer. To fix Touch ID failed iOS 11 error, you can quit iTunes Store & App Store and then reopen it to fix.

Step 1. Access Touch ID & Passcode

Open "Settings" app on your iPhone. Scroll down to click "Touch ID & Passcode" option. Then you will be required to enter its password.

Step 2. Turn off App and iTunes stores and restart iPhone

Swipe off both "iPhone Unlock" and "App and iTunes Stores" on-off options. During this time, press Home button to return to your Home screen directly, and then restart your iOS device by pressing Home button and Power button together. For iPhone 7/7 Plus/8/8 Plus/X users, there is something different from rebooting iPhone.

Step 3. Add a new fingerprint on your iPhone

Go back to iPhone Settings. Hit "Touch ID and Password" and then enter your password again. Trigger the following "iPhone Unlock" and "App and iTunes Stores" on-off options to the green state. Tap "Add a Fingerprint …" to add another fingerprint. As a result, next time you are unable to complete Touch ID setup please go back and try again.

Turn Off iTunes Store and APP Store

Solution 2: Delete and Re-add Your Touch ID Fingerprints on iPhone/iPad

When you have the fingerprint not working problem continually, you had better remove the old one and set a new fingerprint. If you are unable to activate Touch ID on this iPhone 6 Plus and iOS models, just follow steps below.

Step 1. Delete Touch ID fingerprints on iPhone/iPad

Scroll down and select "Touch ID & Passcode" under iPhone Settings. Enter your password when prompted. Then choose any fingerprint you have added before and then click "Delete Fingerprint" button. Repeat above operations until you have removed all previous fingerprints on iPhone.

Step 2. Reset and re-add Touch ID

Find and click "Add a fingerprint …" button to set up a new fingerprint with the on-screen instructions. It will prompt every step you need to do in detail. In addition, when you have Touch ID failed on MacBook Pro problems, you can also remove and re-add Touch ID fingerprints on Mac to fix.

Delete and Re-add Your Touch ID Fingerprints

Solution 3: Force restart Your iPhone/iPad

If you are unable to complete Touch ID setup iOS 11 or have other Touch ID not working problems, performing a force restart is a useful solution. It can solve many system glitches automatically.

Force restart iPhone 6s and earlier and iPad:

Step 1. Hold and Press Home button and Power button

Step 2. Keep holding for about 10 seconds

Step 2. Release two buttons until you see the Apple logo

Force Restart 6s

Force restart iPhone 7/7 Plus:

Step 1. Hold and press Power button and Volume Down button together

Step 2. Do not release them until the Apple Logo appears

Force Restart iPhone 7/7 Plus

Force restart iPhone X/8/8 Plus:

Step 1. Quick-press Volume Up button

Step 2. Quick-press Volume Down button

Step 3. Hold and press Power button to reboot iPhone

Force restart iPhone 8/8 Plus

Solution 4: Your Fingers on The Touch ID Sensor Is Dirty or Wet

Your dirty or wet fingers may cause Touch ID failed. In addition, if your iPhone have suffered water damage and other liquids before, then you are easily to have Touch ID problems. During this time, you had better keep your fingers clean and dry.

Step 1. Wipe your fingers and Home button with a soft and clean cloth gently

Step 2. Do not put iPhone in a wet place with much moisture and sweat

Step 2. Use a hair dryer to dry your iPhone if necessary

Dry iPhone

Solution 5: Restore iPhone with iTunes

If you have backed up iPhone with iTunes before, then you can get a new way to fix Touch ID not working problems. By restoring with iTunes, all your iOS data will be erased and replaced with your pervious iTunes backup. Thus, you can remove factors that cause Touch ID failed entirely.

Step 1. Connect iPhone to iTunes

Connect iPhone to your computer with a USB cable, and then run the latest iTunes.

Step 2. Restore iPhone to fix non-working Touch ID

Choose your iPhone icon and locate its Summary section. Tap "Restore iPhone" and confirm to restore your iPhone.

Restore iPhone with iTunes

Tips: What if your iTunes can't restore iPhone?

Part 2: Professional Way to Fix Touch ID Failed

If above methods do not work, or you cannot find the real cause of the Touch ID failure, then you should not miss Apeaksoft iOS System Recovery. It is an all-in-one iPhone system recovery program, which can fix not only Touch ID failure but also other abnormal situations without data loss. In addition, your iOS device will update to the latest version automatically. So you can also run iOS System Recovery to get a non-jailbroken iPhone without Touch ID failed safely and easily.

  • Fix iPhone from DFU mode, recovery mode, Apple logo, blue screen, etc. to normal state.
  • Highly compatible with iOS 11 and the latest iPhone X/8 Plus/8/7 Plus/7/SE/6s Plus/6s/6 Plus/6/5s/5c/5/4S, etc.
  • Offer easy to use iOS system recovery service on Mac or PC.

Step 1. Run iOS System Recovery

Free download Touch ID failed recovery software on your computer. Launch it and choose "iOS System Recovery" option.

Run iOS System Recovery

Step 2. Connect iPhone to your computer

When you locate its main interface, plug in iPhone to your Mac or PC using a lightning USB cable. Do not forget to read following items.

Connect iPhone to Computer

Step 3. Enter into DFU mode

Tap "Start" button and follow the provided steps to put your iPhone into DFU mode manually. Thus, iOS System Recovery can detect your Apple device entirely.

Enter into DFU Mode

Step 4. Check and correct the detected iPhone info

Check the detected iPhone information carefully, and then correct with the exact information same as your current smart phone. Otherwise, you may get a bricked iPhone during repairing.

Check and Correct the Detected iPhone info

Step 5. Fix Touch ID failed error

Tap "Repair" button to start downloading firmware and fixing Touch ID not working issues automatically. It cost several minutes to complete Touch ID failed repair process.

Fix Touch ID Failed Error

In addition, if you use the screen protector to protect your iPhone screen, make sure it has not covered your Home button. Otherwise, you will have Touch ID failed message as well. For people whose Touch ID not working after screen replacement, you may go to the local repair store if above methods are useless. Contact us if you feel hard to understand any iPhone/iPad Touch ID problem.

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