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Smartwatch SIM Card Connector Repair Guide: From Fault Diagnosis to Preventive MaintenanceSmartwatch SIM Card Connector Repair Guide: From Fault Diagnosis to Preventive MaintenanceSmartwatch SIM Card Connector Repair Guide: From Fault Diagnosis to Preventive Maintenance
Smartwatch SIM Card Connector Repair Guide: From Fault Diagnosis to Preventive Maintenance.Conductivity Test: Use the multimeter's continuity mode to check the connectivity between the SIM card contacts and the corresponding solder points on the motherboard. If the resistance of a path is abnormal (e.g., exceeding 1Ω), it indicates poor contact or a broken circuit.Structural Inspection: Use a magnifying glass to examine the internal structure of the card slot, checking for deformed spring plates or misaligned contacts.Cleaning and Maintenance: Restoring Contact FunctionalityApplicable Scenarios: Poor contact caused by mild oxidation or dust accumulation.
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