
Why Fingerprint Sensor Fails?
The flex cable connecting the sensor to motherboard often gets damaged from:
- Liquid exposure
- Physical stress
- Wear and tear
- Manufacturing defects
Symptoms You Need Replacement:
- “Fingerprint hardware not available” error
- Sensor not detecting touches
- Inconsistent recognition
- Complete sensor failure
Tools Required:
✔ Replacement fingerprint flex cable
✔ Precision screwdriver set
✔ Plastic opening tools
✔ Tweezers
✔ Heat gun (for back glass removal)
Replacement Steps:
- Power Off – Disconnect battery immediately
- Remove Back Glass – Heat edges at 80°C for 2 minutes
- Disconnect Battery – Locate and unplug connector
- Remove Old Flex – Carefully detach from motherboard
- Install New Flex – Align and secure connections
- Reassemble – Reconnect battery and test
- Recalibrate – Register fingerprints in settings
Pro Tips:
- Clean sensor area before installation
- Handle flex cable by edges only
- Test before final assembly
- Apply new adhesive for back glass
Troubleshooting:
If sensor still doesn’t work:
- Check all connections
- Try factory reset
- Verify software updates
- Consider professional diagnosis
When to Visit Repair Shop:
For:
- Water damage issues
- Motherboard problems
- Complex disassembly needs
Final Notes:
With our OEM-grade flex cable and proper installation, your Note 10 Lite will regain:
- Instant fingerprint unlocking
- Secure mobile payments
- Reliable biometric authentication
