Unable to Activate Touch ID on this iPhone? 6 Solutions to Fix It

"Hi, I've just tried to replace my rear camera. When I put it all back together and turned it on, it says I'm unable to activate Touch ID on my iPhone. The home button has never been replaced and the Touch ID was working up until now. Home button still functions. How would you go about fixing this problem?"

Touch ID is a fingerprint identification sensor developed by Apple. With touch ID, you can easily unlock your iPhone, install apps from Apple store, pay via Apple pay orfingerprint without imputing the Apple ID and password. It brings us much convenience. But it will also bring a lot of trouble if we are unable to activate Touch ID on this iPhone. Recently, many iPhone users have reported that the Touch ID had failed to be activated after upgrading to iOS 14 or screen replacement. Relax, here we provide many solutions for touch ID activation problem.

unable to activate touch id on this iphone

1. Activate Touch ID from Settings

Before we take any other measures to fix the touch ID activation issue, let's take a look at how to activate Touch ID from Settings on iPhone. Please note that Touch ID cannot be used on iPhone devices earlier than iPhone 5S.

  1. Find Settings on the main screen on iPhone.

  2. Click it to enter the interface of Settings, tap on Touch ID and password.

  3. You need to enter the password. This step will be skipped if you did not set a password before. If you previously set a password, enter the password to unlock it.

  4. On this interface, enable iPhone Unlock and click "Add a Fingerprint".

  5. Now place your finger on the home button to add a new fingerprint. Be careful not to press the home button.

activate touch id from settings

The new touch ID has been set up. You can now unlock your iPhone via the fingerprint.

2. Force Restart Your iPhone

If the error of "Unable to activate Touch ID on this iPhone" still cannot be removed after the setting, try the generic method to force restart your device. This method could usually conducive to solving most iPhone issues. Follow the steps below to reboot your iPhone.

How to Reboot iPhone 8/X/XR/XS/XS Max/11/12

Press and release the Volume Up button quickly. After releasing the Volume Up button, keep pressing and holding the Power button and the Volume Down button for nearly 8 seconds at the same time until the Apple logo will appear on the screen. Then release the 2 buttons.

force restart iphone

How to Reboot iPhone 7/7 Plus

Press the sleep/wake button and the Volume button at the same time for 8 seconds, then release these buttons when you see the Apple logo appearing on the screen.

restart iphone 7

How to Reboot iPhone 6 and Earlier Versions

Hold the power button and the Power button for nearly 8 seconds until you see the Apple logo displaying on the device screen. Now you can release the buttons.

restart iphone 6

3. Try to Turn Password Off

Some Apple users have left their suggestion on Apple forums, they got their Touch ID to work via the way of turning the password off. Here is how to do it:

  1. Go to Settings on iPhone and select "Touch ID and password".

  2. Enter the password that you set before, click "Turn Password Off" for about 5-10 minutes.

  3. You need to enter the password at first, just do it.

turn off password

4. Reset All Settings on iPhone

Reset all settings will reset all the iPhone setting to its default settings, it will not erase any of the device data or media.

To reset the settings on iPhone, you need to tap the Settings icon on the screen, then click General > Reset > Reset All Settings. Now you can check whether this method has cured your iPhone.

reset all settings iphone

5. Factory Reset iPhone with iTunes

Ensure that you have installed the newest iTunes on your computer, then connect your iPhone with iTunes and put it into Recovery Mode as follow:

  1. Press and hold the power button 8 seconds until the shutdown option appears, slide it off.

  2. Press the power button to turn it on, and the Apple logo will appear on the screen, do not release the power button.

  3. Hold down the Home button until the screen goes black.

  4. Release the power button when the screen goes black, continue to hold the home screen.

  5. When the screen is blank, please release the power button, continue to hold the home screen until the iPhone is detected to be in Recovery Mode by iTunes. Repeat these steps if your iPhone fails to be in Recovery Mode.

put iphone in recovery mode

Click "Restore iPhone", iTunes will download and install the latest firmware package on your iPhone. The device will reboot automatically after that process.

restore iphone

All the data and settings will be erased if you choose to reset your iPhone with iTunes. For jailbreak device, the system will become unstable and unable to be repaired during the guarantee period.

6. Fix iPhone Touch ID Activation Issue without Data Loss

It is advisable to turn to FoneGeek iOS System Recovery for help if you are unable to find the internal cause of the touch id activation problem. This iOS System Recovery is dedicated to fix any iOS bugs and get iPhone or iPad working normally without data loss. Besides the Touch ID failure issues, you can also use it to fix iPhone stuck in boot loop, iPhone apps keeps crashing and other abnormal problems. It is quite easy to handle the tough nut and will not affect the data while fixing.


Here is how to program runs to fix your iPhone touch ID not activating problem:

Step 1. Free download the iOS System Recovery on the computer. Run it and you should view three options, select "Repair Operating System".

choose repair mode and connect the device

Step 2. You will be located on the main interface of this iOS System Recovery, connect the iPhone to pc and read the hints, then click Fix Now.

cilck on fix now

Step 3. The iPhone information will be detected and displayed on the Window, check if the information is correct and click on "Download" to download the firmware package and the program will begin to fix the touch ID activation automatically.

download firmware package

repair ios system

If none of the solutions are helpful to fix your problem of Unable to activate Touch ID on This iPhone, we recommend you to consult with an Apple staff for more professional ideas. And you can also leave a comment below if you have any other issues that you don't cover on our website.


By Joan J. Mims

Posted on Jun 06, 2018, 14:59:38

Joan J. Mims is interested in researching all tips about iPhone, iPad and Android. He loves to share useful ideas with all users.