Component: Power Management IC (e.g., Apple 338S00383-A0, TI PMB5762) soldered on iPhone XR logic board
Compatibility: iPhone XR models A1984/A2105/A2106/A2108
Use Cases:
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No charging or inconsistent charging behavior ("Not Charging")
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Random shutdowns, incorrect battery level readings
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Overheating of logic board due to power regulation faults
Quality: OEM or high‑grade aftermarket IC; requires BGA reflow soldering by experienced technician using hot‑air/touch‑down and test procedures