IW100 Reset & Teardown (FCC ID 2APN5-IW100)
Factory reset and internal photos for Sonoff (Itead) IW100. Sonoff smart plug.
January 15, 2026
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1 min read
Before you buy the Sonoff (Itead) IW100, check what's inside.
The Sonoff IW100 is a WiFi-enabled smart switch designed for integration into the Sonoff and eWeLink smart home ecosystem. It allows for remote control and automation of connected appliances through the eWeLink mobile application.
⚠️ NOTE: This device connects to mains voltage (110-240V). Always disconnect power before installation or disassembly.
Quick Specs
- Manufacturer: Sonoff (Itead)
- Model: IW100
- Protocol: WiFi
- Chipset: ESP/CK Chip
- Ecosystem: Sonoff
- App: eWeLink
🔧 Geek Corner (Flashing Info)
- Chipset: ESP8266EX
- Flashable: ✅ Yes
- Info: Sonoff devices with ESP8266EX are generally 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 IW100 is a WiFi device from the Sonoff ecosystem.