The Samsung Galaxy S24 Ultra, known for its advanced features and seamless user experience, sometimes faces an unexpected hiccup — **intermittent fingerprint sensor malfunction**. If your device occasionally fails to recognize your fingerprint or becomes unresponsive, don’t worry — it’s a fixable issue.
#### **Common Causes:**
* **Dirty or oily screen**
* **Incompatible screen protectors**
* **Software bugs after updates**
* **Moist or damp fingers**
#### **Quick Fixes:**
1. **Clean the screen** gently with a microfiber cloth.
2. **Re-register your fingerprint**: Go to *Settings → Biometrics → Fingerprints* and delete + re-add your fingerprint.
3. **Remove third-party screen protectors**, especially thick or matte ones.
4. **Update software** to the latest version via *Settings → Software update*.
5. **Restart the phone** to reset temporary glitches.
If the issue persists, visit your nearest **Samsung service center** or use the **Samsung Members app** for diagnostics.
