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Relife RL-071B Fingerprint Calibration | 5G-M Online Store
Relife RL-071B Fingerprint Calibration | 5G-M Online Store
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Relife RL-071B Fingerprint Calibration | 5G-M Online Store
Relife RL-071B Fingerprint Calibration | 5G-M Online Store

Relife RL-071B Fingerprint Calibration

€8.00
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Relife RL-071B - 3rd Generation Fingerprint Calibration Tool

The Relife RL-071B is an indispensable professional tool for optical fingerprint sensor calibration. It is essential for restoring correct fingerprint functionality after screen replacement on brands such as Xiaomi, Huawei, Vivo, and Oppo.

📋 Operating Procedure:

To start the calibration, enter the following codes on the phone dialer:

  • 🟠 XIAOMI: Dial *#*#6484#*#*
  • 🟢 OPPO: Dial *#899# or 6776
  • 🔵 VIVO: Dial *#64663#
  • 🔴 HUAWEI: HarmonyOS/Android - Download the APK app here and finish by installing it on the smartphone.

⚠️ Important Installation Notes:

When replacing the display (whether original or compatible), pay close attention: if the screen is not installed correctly, the calibration will fail at the final step. If the error persists, we recommend disassembling and reinstalling the screen with greater precision.

⚙️ Technical Features:

  • Compatible with under-display optical sensors.
  • Solves the "Unable to complete calibration" issue after LCD/OLED replacement.
  • Lightweight, portable, and easy-to-use tool.