Apple’s Touch ID is great, when it works.

Instead of deleting the finger from Touch ID and trying again, iOS lets you add to your fingerprint.

Open Touch ID & Passcode from the tweaks app.

Then just press your finger on the home button and you’ll see the fingerprint icon highlight.

You just sent your Touch ID back to school without starting over.

Touch ID has more information about that finger.

Try this tip in a setting where your iPhone never seems to record your fingerprint correctly.

Better Touch ID Performance| Josh Betz viaBGR