MEIZU mBlu 21 Fingerprint Sensor Not Working? Fix It Step-by-Step

Troubleshooting Fingerprint Sensor Issues on MEIZU mBlu 21

• 💡 If your MEIZU mBlu 21's fingerprint scanner is not recognizing your fingerprint, the first step is to remove old fingerprints and set up a new one.
• 📌 Before adding a new fingerprint, it's recommended to wipe the sensor with a dry towel to ensure a smoother surface for clearer reading.

Adding and Testing a New Fingerprint

• 👆 Once the sensor is clean, proceed to add a new fingerprint by touching the sensor with your finger.
• ✅ After successfully adding the fingerprint, click 'done' and then test the new fingerprint.

System Updates and Device Restart

• ⚙️ Navigate to settings, then system, and select system updates to check for and install any available software updates.
• 🔄 After checking for updates, it's advised to restart your phone to ensure all settings are applied correctly before testing the fingerprint.
• 🚀 Once the device has restarted, try using your newly added fingerprint to confirm the fix.