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Question: Touch ID working for app login but NOT for unlock (iPhone 6S)

For some reason today I was suddenly unable to unlock my iPhone 6S using Touch ID. I updated to iOS 11.1.1 a few days ago but didn't make any changes to my OS or settings today.

I can still use Touch ID to log in to apps, download new apps, pay with Apple Pay, etc.

In Settings -> Touch ID & Passcode, the 'iPhone Unlock' toggle is greyed out, but the Apple Pay and iTunes & App Store toggles are active and turned on / green.

Any ideas about what might be wrong? Thanks!

iPhone 6s, iOS 11.1, iOS 11.1.1

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Nov 15, 2017 1:14 PM in response to SpideyCat007 In response to SpideyCat007

Hello and welcome to Apple Support Communities SpideyCat007,

I see that after updating your iPhone to the latest version of iOS 11, you're unable to use Touch ID to unlock your iPhone. I can understand your concern since it is working with your apps, and I'd be happy to help.

Let's have you start by doing a restart of the iPhone:

Restart your iPhone, iPad, or iPod touch
If after restarting the iPhone the issue still remains, take a look at this article article with some troubleshooting steps to help with this issue:
Get help with Touch ID on your iPhone or iPad
Thank you for using Apple Support Communities.
Have a great day!

Nov 15, 2017 1:14 PM

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Question: Touch ID working for app login but NOT for unlock (iPhone 6S)