T2EU Reset & Teardown (FCC ID 2APN5-T2EU)
Factory reset and internal photos for Sonoff (Itead) T2EU. Sonoff smart plug.
January 16, 2026
•
1 min read
Before you buy the Sonoff (Itead) T2EU, check what's inside.
The Sonoff T2EU is a WiFi-enabled smart light switch designed for seamless integration into the Sonoff and eWeLink smart home ecosystems. It allows for remote control and automation of lighting fixtures via the eWeLink app.
⚠️ NOTE: Disconnect Mains power before installation or any maintenance. Ensure wiring is performed by a qualified electrician.
Quick Specs
- Manufacturer: Sonoff (Itead)
- Model: T2EU
- Protocol: WiFi
- Chipset: ESP/CK Chip
- Ecosystem: Sonoff
- App: eWeLink
🔧 Geek Corner (Flashing Info)
- Chipset: ESP8266EX
- Flashable: ✅ Yes
- Info: The T2EU series typically uses an ESP8266EX chip, which is known to be flashable with custom firmware like Tasmota or ESPHome after opening the casing and connecting via serial.
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 T2EU is a WiFi device from the Sonoff ecosystem.