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4 Zone Wi-Fi Irrigation Controller Tuya Smart Garden
Brand: Generic / OEM
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Audited BOM: 8 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 use of a Tier 3 Wi-Fi module (ESP8266 with 2MB Flash) is the root cause for connection instability and firmware failures, resulting in RMAs and negative reviews.
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