When you're trying to add a new fingerprint to your iPhone or iPad, and you lot come across this fault message:

Failed
Unable to complete Touch ID setup. Please become dorsum and endeavor once more.

Don't panic! This is a common fault in iPhone and many people accept resolved the "Unable to complete Bear upon ID setup" mistake easily.

Endeavor these fixes:

  1. Update software in your device
  2. Difficult reboot your device
  3. Modify Touch ID settings
  4. Ensure your finger and the Habitation dry and make clean
  5. Endeavour another finger

Note: the screenshots below come from iOS 10.iii.3, and fixes apply to other iOS versions.

Set up 1: Update software in your device

The old iOS software has buggy problems, and that's why developers keep releasing updates to bring the all-time experience. And so if you lot run into "Unable to complete Touch on ID setup" fault in your iPhone or iPad, you should proceed the iOS software in your device up to engagement.

  1. Open your iPhone or iPad, and launch the Settings app.
  2. Become to General > Software Update.
  3. Your device will detect any available update. If there is any new software update, tap Install Now. Ensure to connect to WiFi when performing this method.
  4. Follow the on-screen instructions to finish.

Restart your iPhone and try adding the Impact ID again to see if it can be completed.

Fix two: Hard reboot your device

Since many technical problems tin exist resolved past restarting, information technology never hurts to restart your iPhone or iPad. Oftentimes this will exist enough to set the error.

In improver, you should also perform a force restart on your iPhone if "Unable to consummate Touch ID setup" occurs. Here's what you need to do:

  • If you're using iPhone viii, iPhone eight Plus, or iPhone X, follow these steps:
  1. Printing and chop-chop release the Volume Upwardly button,
  2. Press and quick release the Book Down button, then
  3. Press and concord the Side push until you lot see the Apple logo.
  • If y'all're using iPhone 7 or iPhone 7 Plus:

Press and Hold both the Side and Volume Down buttons for at least x seconds, until y'all run into the Apple logo.

  • If you're using iPhone 6s and before and iPad:

Press and agree the Home and Top (or Side) buttons for at least 10 seconds, until you see the Apple logo.

Once hard reboot, endeavour Touch ID once again run into if it works.

If the error nonetheless persists, don't worry. You lot take something else to try.

Prepare three: Modify Bear on ID settings

The improper Touch ID settings can besides result in "Unable to complete Touch ID setup" error. And so here'due south what to do:

  1. Go to Settings > Touch ID & Passcode, then enter your passcode to proceed.
  2. Turn off iPhone Unlock and iTunes & App Store.
  3. Reboot your device.
  4. Go back to Settings > Bear upon ID & Passcode. So enter your passcode to continue.

  5. Tap to turn on iPhone Unlock and iTunes & App Store.

Now try the Impact ID setup process and information technology should be working properly.

Set up 4: Ensure your finger and Home button dry and clean

As you may have known, the Touch on ID will not exist working if at that place is something liquid or sweat on your finger, or the Home button, or the phone screen. So it's of import to keep your finger, the Home button, and the screen dry out, clean and clear.

Meanwhile, if you lot're using a phone case or screen protector, exist actress conscientious to non comprehend your Dwelling house button, otherwise the Touch ID won't work either.

Fix 5: Try some other finger

You lot can also effort adding a new fingerprint to your iPhone or iPad, in order to make your Touch ID work again. To do so:

  1. Go to Settings > Bear on ID & Passcode, then enter your iPhone passcode to process.

  2. Brand sure to Turn Passcode Off. So tap Add a Fingerprint….

    Annotation: you tin can add upwardly to five fingerprints on your iPhone. If yous've already had 5 fingerprints as your Touch ID, yous'll demand to delete one or more of the prints, and then you can add together new fingerprints.
  3. Follow the on-screen instructions to lift and residue your finger on the Home push button repeatedly, then tap Proceed and stop the Bear on ID setup.
  4. One time complete, tap Proceed and information technology should be washed.

This should fix "Unable to complete Touch ID setup" error.

Lillian, a Microsoft Certified Professional (MCP), is a technology enthusiast, longing to share the technical tips and solutions to reckoner problems. Besides as a person who enjoys writing, she's found the perfect lucifer for writing and technology. When she'south not writing, you'll find her either reading or playing mobile games.

View all of Lillian Lai's posts.