If you've already tried to set up Touch ID on your iPhone or iPad and you can't complete the setup or scan your fingerprint, read on to learn what you can do to get Touch ID working. Instructions apply to the following:

Because Touch ID relies on both software (e.g. iOS) and hardware (sensors) to function, failures can be caused by several things, including:

Follow the steps below as mentioned. We will start with simpler possible solutions before moving on to the more complex directions. Try Touch ID again after each step to see if it works.

Make sure the fingerprint reader and your finger are dry and clean.