The fingerprint functionality is lost after upgrade to Android 11
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This issue is under investigation and we are dilligently working to provide a resolution. Please bookmark this page and check back periodically for updated information
In the meantime, restart your Xperia phone as follows until the fixed is released.
Restart your device
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Press and hold the Power button.
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In the next screen, tap Restart. The device restarts automatically.
Force restart your device
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Press and hold the Power button and the volume up button at the same time until your device vibrates, and then release the buttons. The device restarts.