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Sonoff Mini R4 Extreme 1-Channel 10A Wi-Fi Smart Relay Module
Brand: Sonoff Mini R4 Extreme 1-Channel 10A Wi-Fi Smart Relay Module
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Audited BOM: 10 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The electromechanical relay (COMP-002) of Tier 2 or 3 quality (ENG-001) is the probable cause for intermittent or complete failures (RMA-002), as reported by users (REV-003).
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