How to Fix iOS 12.4/iOS 12 Touch ID not working on iPhone 8 or iPhone 8 Plus

For some reason, thumbprint won’t work on your iPhone 8 or iPhone 8 Plus after iOS 12 update. Get here Hint to Fix Touch ID Not working on your iPhone 8 Plus.

Your Apple iPhone is allowing you to unlock your phone using Passcode and Touch ID. From both these methods- user most uses the faster way to unlock the phone screen instead of entering passcode all time. Sometimes after enrolling Touch ID setup, however, Touch ID problems occur due to various reason. Let’s See why your iPhone 8 or iPhone 8 Plus Touch ID not working as like your previous iPhone or old iOS version.


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Follow our bottom given steps and check out Touch ID after applied each step.

Why my iPhone 8/ iPhone 8 Plus Touch ID Won’t Work? Here’s Troubleshooting

Tap Settings App then tap Touch ID & Passcode on iPhone

Get started Solution to Fix Touch ID not working on iPhone 8 Plus or iPhone 8

Fix #1- Due to the bug in current iOS

You should make sure that you have latest iOS version on your iPhone 8 or 8 Plus. To check it out

Go to Settings – Tap General – Tap Software Update

If update available- please update first via over-the-air (OTA) or via iTunes.

Fix #2- keep your Phone Home button and your Fingers Clean + Dry

Whenever you use FingerPrint to unlock Phone at times – You must use Touch ID with clean and dry Fingers for the speed up Touch ID experience. Same way, you also keep your iPhone Home button dirt free and spotless.

For instance – Solid-liquid particles (Sweat, lotions, dry skin, Moisture, oils, cuts) makes your iPhone Home button Touch ID useless. So please I advice keep your Phone buttons clean with a lint-free cloth to all parts clean as like as you care your body health and fitness.

Fix#3 – Put Complete Fingers on Home Button

Don’t put little portion but put and hold your fingerprint till full cover Home button, Touching the surrounding metal ring. Don’t take finger too quickly or move your finger around.

Related More: how do fix iPhone 8 Plus Home button not working

Fix #4- Don’t Cover your iPhone 8/ 8 Plus Home button with Case and Screen protectors

Sometimes user unknowingly covers its Phone button with a Case or local screen protectors. If you are, then make sure it doesn’t cover virtual Home button and surrounding ring.

Fix #5- Delete Finger Print

Go to SettingsTouch ID & Passcode – delete Fingerprint and enroll back.

Fix #6 – Mae sure iPhone Unlock or iTunes & App Store is on for Touch ID

Open Settings App – Tap Touch ID & Passcode – Check iPhone Unlock toggle Is On/Green. If it off then make a turn on.

In many cases, you must have to enter Passcode or Apple ID, if you have already enrolled Touch ID. See below list when you enter Passcode.

  • After Restarted your iPhone 8 or iPhone 8 Plus
  • On your iPhone 8/ 8 Plus fingerprints won’t recognized five times in a row
  • You just enrolled or deleted Thumb Prints

After followed given all solutions, however, your iPhone 8 or iPhone 8 Plus touch ID not working then take your device to Apple Retail Store or Apple Authorized Service providers.

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