After upgrading to iOS 13, users noticed a problem with Touch ID, which made it impossible to log into some applications that require authentication, including banking, 1Password, Apollo Reddit, and so on. There seems to be a bug in iOS 13 that interferes with user identification via Touch ID.
9to5Mac reporters write that the cause of these problems is a bug that is present in both iOS 13.0 and iOS 13.1.1 and affects applications that suggest using Face ID or Touch ID as a way to quickly log in.
“If an app offers Face ID or Touch ID as a way to quickly log into it when you launch it, it is possibly affected by this iOS 13 bug — present on iOS 13.0 through iOS 13.1.1. The third-party apps use a system framework to show the biometric authentication screen”, — report 9to5Mac authors.
The essence of the problem is that the Touch ID simply does not appear on the screen in the dialog box, and it seems that nothing is happening at all.
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As it turned out, the situation is not as hopeless as many users think. The fact is that the Touch ID dialog is actually present on the screen, but is simply invisible.
Although Apple will definitely fix this error soon, journalists recommend that users in any case try to put their finger on the Home button, after which the fingerprint can be recognized and the application is logged in.
“It’s a weird bug that presumably Apple will fix soon, but basically, the API isn’t correctly displaying the alert dialog over the top of the app. You can try placing your finger on the Home button for the login flow to continue”, — write 9to5Mac journalists.
Another way to solve the problem is to try to shake the device, after which the Touch ID dialog can become visible again.
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