The RELIFE RL-071B Optical Fingerprint Calibrator V5.0 is an essential tool for mobile repair professionals. After replacing OLED or AMOLED displays, many smartphones experience fingerprint recognition issues. This calibrator helps restore the optical fingerprint sensor to proper working condition using compatible service software, without disassembling the phone. It is engineered for quick calibration, high accuracy, and broad compatibility with major Android brands. Imimg

Key Features

• Professional 4-in-1 optical fingerprint calibration tool
• Restores under-display fingerprint recognition after screen replacement
• Supports Huawei, Xiaomi, Redmi, OPPO, Vivo, Realme, Samsung, Honor, and more
• No phone disassembly required during calibration
• High recognition accuracy with real-device tested performance
• Compact, lightweight, and easy to carry
• Fast calibration process using compatible service software
• Durable construction suitable for daily repair shop use
• Ideal for OLED and AMOLED display repairs
• Perfect for professional mobile repair technicians and service centers