| Home > Galaxy S20 FE > The fingerprint light source is too bright when attempt fingerprint recognition at night or in a dark place |  |
| The fingerprint light source is too bright when attempt fingerprint recognition at night or in a dark place | |
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Question: Why is the fingerprint light source too bright when trying to recognize my fingerprint at night or in a dark place?
Answer: This is because your phone uses an optical fingerprint sensor which requires a bright light source to accurately read your fingerprint. This is a common occurrence in smartphones with optical fingerprint sensors. Terms: Optical Fingerprint Sensor |
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