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Astronaut

Phone shuts off after locking screen and when inputting code to turn off fingerprint

My galaxy S9 constantly shuts off after I lock it. I have read on several forums that the problem is fixed by disabeling the fingerprint lock. However, when I go to disable it (Settins > Lock Screen > Finger print > Enter code) and get to the enter code page it shuts off again! It is so annoying I don't know what to do.

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Samsung Moderator
Samsung Moderator

Re: Phone shuts off after locking screen and when inputting code to turn off fingerprint

I would recommend testing your device in safe mode to see if you continue to experience these symptoms. If your phone is misbehaving, it's possible that a third-party app is causing the issue. To figure out what app is acting funny, you can use the Safe Mode feature. In Safe Mode, your phone won't run any third-party apps. This allows you to easily identity and remove the app that may be causing the problem. Give this link a try to see if you are able to disable the fingerprint: https://www.samsung.com/us/support/answer/ANS00062983/

 

Next step would be to wipe the cache partition on your device: The system cache partition stores temporary system data. It's supposed to allow the system to access apps more quickly and efficiently, but sometimes things get cluttered and outdated, so a periodic cache clearing can help make the system run more smoothly. Give these steps a try: 

  1. •    Turn off the device.
  2. •    Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. •    When the Android logo displays, release all three keys.
  4. •    An 'Installing system update' message will show for 30 - 60 seconds before the Android system recovery menu options appear.
  5. •    Press the Volume down key several times to highlight wipe cache partition.
  6. •    Press Power key to select.
  7. •    Press the Volume down key to highlight yes, them and press the Power key to select.
  8. •    When the wipe cache partition is complete, Reboot system now is highlighted.
  9. •    Press the Power key to restart the device.

Be sure to click " ✓ Accept as Solution" when you find an answer that works for you.





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