Make sure you have the latest version of iOS or iPadOS. Make sure your fingers and the Touch ID sensor are clean and dry. Go to Settings > Touch ID & Passcode and make sure that iPhone Unlock or iTunes & App Store is on, and that you’ve enrolled one or more fingerprints. Try enrolling a different finger.

The Touch ID sensor is linked to the phone and only Apple can repair this to make it work properly again. They will not do so if the phone has been tampered with by an unauthorized party.

There is no way to restore the Touch ID functionality, but the button can be replaced. If your iOS version is 9.2. 1 or higher the phone will continue to work without fingerprint access.

Sometimes issues with the iPhone cable either overheating or causing software issues can prevent Touch ID from working. Remove the cable from your phone. Under settings, select Turn Passcode Off in the Touch ID & Passcode section. Disabling the passcode enables a soft reset of security settings.

How to Fix Touch ID Problems When Wet or Dirty. If your fingers or the Touch ID sensor is dirty or wet it will likely fail. This is due to water, dirt or prune-like fingers preventing a good scan. If it is just water or dirt on the sensor or your finger you should wipe both of them off with a clean cloth.

If your touchscreen isn’t responsive or not working how you would expect, try restarting your PC. Install any available updates and restart your PC if required. If you didn’t have any updates that required a restart, it’s still a good idea to restart your device to make sure any pending updates are installed.

If you damage the Touch ID hardware, it can only be replaced by Apple. Don’t try to detach the connector completely—simply flip it up slightly so that the underlying home/Touch ID sensor cable can be removed.

With an iPhone 6 or iPhone 6 Plus or later, you can use Touch ID to make Apple Pay purchases in stores, within apps, and on websites in Safari. You can also use Touch ID on your iPhone to complete website purchases from your Mac.

The iPhone 5s was the first device that debuted the fingerprint scanner as a feature. Since then many other devices have incorporated the feature, allowing you to replace a passcode to unlock your device. As you touch the Home Button the Touch ID sensor reads your fingerprint and unlocks your iPhone.

The iPhone SE 2020 Touch ID problem could be temporary and solved with a good reboot. Go to Settings > Touch ID & Passcode and disable all of the options you see. Then, restart your iPhone and re-enable the features you want turned on.

In 2015, Apple introduced second generation ID faster, starting with iPhone 6S and later MacBook Pro 2016. As a fingerprint identity sensor, Touch ID can not only secure your iPhone, but also enable you to do things like unlocking your iPhone and making purchases in App store and iTunes just by touching the sensor.

Touch ID is a recognition feature fingerprint, designed and launched by Apple Inc., and is currently standard on iPhone since iPhone 5S and iPad since iPad Air 2 and MacBook Pro. In 2015, Apple introduced second-generation ID faster, starting with iPhone 6S and later MacBook Pro 2016.

When it comes to the screen resolution, the iPhone 5s has 1136×640 resolution, while the iPhone 6 has a 1334×740 resolution. Even though the numbers may show some difference, the clarity and sharpness of both phones are nearly the same since both displays have the same pixel density of 326ppi.

If you still face the touch ID issue and get the ‘Unable to activate Touch ID on this iPhone’ error message, try out this method to unlock your touch ID. Go through the steps below to unlock the touch ID. Step 1: Hold the sleep/wake button and home button together. You will see the power off the message on the screen.