Always from the motherboard before locating or shorting the test points. Attempting a hardware short with active battery current flowing can permanently damage the MediaTek power management IC. Step 3: Locate the Test Point
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In the context of mobile device hardware, a test point is a specific exposed copper dot, pad, or via on the smartphone’s printed circuit board (PCB). These points are originally intended for factory assembly and quality control. However, for technicians, they serve a critical function: Always from the motherboard before locating or shorting