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Touch ID Not Working on iPhone? Try These Solutionsby  Edwin J. Parke  |  Tuesday September-25 2018  10:58:50

“Hi everyone, I have iPhone 8 and my screen was broken after I replace it with a new one the touch ID stopped working. When I go to "Touch ID & Passcode”, it’s looks like I have never set a touch ID before, when I try to make a new fingerprint it says " Failed, unable to complete Touch ID setup. Please go back and try again. Can anyone help me? Thanks a lot! “

Touch ID, a fingerprint identity sensor, makes it easy for iOS users to unlock device, log into apps or make purchases in App store, iTunes store, iBooks store instead of entering Apple ID password. However, many users complain that Touch ID not working after screen replacement or iOS 12 upgrade. You can imagine how inconvenient it is if the Touch ID stops not working on iPhone. Why Touch ID fails to work on iPhone? Chances are that the calibration is not done properly, or your fingers/ home button are sweat, moisture. Maybe we have no way to figure out what went wrong, we have tips to fix it.

Tip 1: Keep your finger and the home button clean and dry

The most immediate cause of Apple ID performance is the home button and your finger. Check whether the home button is full of dust, or check whether there is sweat on your finger as well. If necessary, take a clean and dry cloth to wipe the home button and your hands, then try again.

Tip 2: Delete and Reset Touch ID Fingerprint

Another feasible way forward is to deleted the Touch ID Fingerprints from iPhone settings and reset a new one.

Delete Fingerprint: To do so, go to “Settings”, scroll down to click on “Touch ID & Passcode”. Choose one Fingerprint that you set before and select “Delete Fingerprint” to get it removed.

Add a new Fingerprint: Still go to “Settings” - “Touch ID & Passcode”, click “Add a Fingerprint” to reset the fingerprint when prompted.

Tip 3. Disable and Enable Touch ID for Apple Pay, iPhone Unlock, iTunes/App Store

If you are still having this issue, turn off and turn on the Touch ID for Apple Pay, iPhone Unlock, iTunes/App Store. Here are the steps:

Open up Settings on device, click on “Touch ID and Passcode”- iTunes & App Store to enter the password, then turn off Apple Pay, iPhone Unlock, iTunes&App Store. Restart your iPhone and repeat the steps above to enable Apple Pay, iPhone Unlock, iTunes&App Store.

Tip 4. Downgrade iOS version

If the problem occurs when you upgraded the iOS version to iOS 11.4, you may need to downgrade from iOS 12 to iOS 11.4 or older version, which runs stable properties to working well with touch ID.

If the tips above are not doing anything to you, you need to consider contacting Apple service center for help, as there might be a hardware issue of your iPhone.

Whenever and wherever your iPhone is on the fritz, some basic measures are worthy to be taken before you take it to local Apple store to repair, it’ll save your time and money. Still having this problem on the device or having any feedbacks to the tips supplied in this post? Leave your comments below to so that we can offer more specific tips.