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IW100 Reset & Teardown (FCC ID 2APN5IW100)

Factory reset and internal photos for Sonoff (Itead) IW100. Sonoff smart plug.

January 15, 2026 1 min read

IW100 internal photo

Before you buy the Sonoff (Itead) IW100, check what's inside.

The Sonoff IW100 is a WiFi-enabled smart switch designed for easy integration into the eWeLink ecosystem. It allows users to remotely control connected appliances via the mobile app, offering convenient smart home automation.

⚠️ NOTE: Always disconnect mains power before performing any installation or maintenance on this device.

Quick Specs

  • Manufacturer: Sonoff (Itead)
  • Model: IW100
  • Protocol: WiFi
  • Chipset: ESP/CK Chip
  • Ecosystem: Sonoff
  • App: eWeLink

🔧 Geek Corner (Flashing Info)

  • Chipset: ESP8285
  • Flashable: ✅ Yes
  • Info: Based on the ESP8285 chipset, this device is likely flashable with custom firmware like Tasmota or ESPHome.

User Manual

Scanned pages from the official user manual:

IW100 Manual

IW100 Manual

IW100 Manual

IW100 Manual

IW100 Manual

IW100 Manual

IW100 Manual

IW100 Manual

External Photos

Photos of the device exterior:

IW100 Exterior

IW100 Exterior

IW100 Exterior

Internal Photos

Teardown photos showing the PCB and components:

IW100 PCB

IW100 PCB

IW100 PCB

IW100 PCB

IW100 PCB

Verdict

The IW100 is a WiFi device from the Sonoff ecosystem.