The MIJING C23 Testing Tools Middleboard is a professional-grade diagnostic fixture specifically engineered for the iPhone 15 series, including the 15, 15 Plus, 15 Pro, and 15 Pro Max . This motherboard function test fixture is designed for testing middle-layer mainboards after layer separation, allowing technicians to quickly detect logic board faults without complex jumper wires or guesswork.

Featuring high-precision CNC processing, the C23 ensures accurate alignment with solder points, dramatically reducing diagnostic time for sandwich-style motherboards . The fixture supports both eSIM and SIM U.S. versions in a single 4-in-1 design, eliminating the need for multiple patchwork solutions .

Key Features

4-in-1 Full Series Support – Compatible with iPhone 15, 15 Plus, 15 Pro, and 15 Pro Max, including eSIM and SIM U.S. versions
Solder-Free / Weld-Free Function Testing – Enables testing of power-on, display, touch, camera, recording, flash, earpiece, speaker, WiFi, Face ID, signal, and more without soldering
Two Testing Methods –
- Method 1: Connect screen cable, boot, power cord, or battery to test functionality
- Method 2: Connect the end plug on the base to implement the brush/flash function
Hollow-Out Back Design – Features a hollowed-out back that reserves space for testing components during diagnostics
Enhanced Test Probes – Good conductivity, strong stability, corrosion resistance, wear resistance, high strength, high hardness, and high precision
Prevents Motherboard Damage – Check in advance to avoid repeated disassembly and potential motherboard damage during repairs

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