Back Button/ Fingerprint Scanner not Working

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2019-02-10 17:06

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Edited by User5211086124 at 2019-02-10 17:10

Hi, the Back Button/ Fingerprint Scanner on my m3 Note stopped working over night. I have not flashed it or anything like that, and draining and recharging the battery has not worked. I was wondering if there was a way to fix it by myself. I should note that the button itself still works and still takes me back to my home screen when I press it.
Phone model: L681H
Android version: 5.1
Build number: Flyme 5.1.3.4G