Relife RL-071B 4-in-1 optical fingerprint calibrator for Android Phones Huawei MI Oppo Vivo fingerprints repair. Relife RL-071B optical fingerprint calibrator used to solve mobile phone screen fingerprint failure. RL-071B fingerprint calibrator suitable for Huawei/MI/Oppo/Vivo to solve the fingerprints problem under the screen or poor input after screen replacement.

Features:
1. Solve the problem of the fingerprint display under the calibration screen cannot be recognized after the screen is changed.
2. Suitable for Huawei/Xiaomi/Op/Vi to solve the problem of the fingerprints under the screen or poor input.
3. Use with software/tutorials, easy to use, no cumbersome steps.
4. Solve the problem of screen fingerprint failure after the mobile phone is replaced.
5. 4 IN 1 fingerprint calibrator, no disassembly calibration, convenient and fast.
6. Easy to operate.
7. Quick calibration.
7. Small and portable.