B02FA19 Reset & Teardown (FCC ID 2APN5B02FA19)
Factory reset and internal photos for Sonoff (Itead) B02FA19. Sonoff smart plug.
January 16, 2026
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1 min read
Before you buy the Sonoff (Itead) B02FA19, check what's inside.
The Sonoff B02FA19 is a WiFi-enabled smart plug designed for integration into the Sonoff/eWeLink ecosystem. It allows remote control and scheduling of connected appliances through the eWeLink app.
⚠️ NOTE: Disconnect Mains before installation or servicing.
Quick Specs
- Manufacturer: Sonoff (Itead)
- Model: B02FA19
- Protocol: WiFi
- Chipset: ESP/CK Chip
- Ecosystem: Sonoff
- App: eWeLink
🔧 Geek Corner (Flashing Info)
- Chipset: ESP8285
- Flashable: ✅ Yes
- Info: Uses ESP8285 chipset, which is commonly flashable with custom firmware like Tasmota or ESPHome.
User Manual
Scanned pages from the official user manual:










External Photos
Photos of the device exterior:



Internal Photos
Teardown photos showing the PCB and components:




Verdict
The B02FA19 is a WiFi device from the Sonoff ecosystem.