LUOWEI 4 In 1 Mobile Phone Fingerprint Calibration Tool Calibrate Optical Fingerprint

1. Quick to get started, easy to operate 2. Used to calibrate the fingerprint under the screen, which cannot be recognized after the screen is replaced 3. The fingerprint under the screen of most mobile phones can be calibrated 4. Material: Silicone 5. Note: Non-optical fingerprint screen is not supported