DONGLEM Reset & Teardown (FCC ID 2APN5-DONGLEM)

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

January 16, 2026 • 1 min read

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

The Sonoff DONGLEM is a WiFi-enabled adapter designed for the Sonoff/eWeLink ecosystem. It is intended to be wired directly into mains power, likely serving as a bridge or control module for other Sonoff devices.

⚠️ NOTE: Disconnect mains power (110-240V) before installation or servicing.

Quick Specs

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

🔧 Geek Corner (Flashing Info)

Chipset: ESP32 (assumed based on ESP/CK Chip and common Sonoff models)
Flashable: ✅ Yes
Info: Likely uses an ESP32 chipset, which is generally flashable with custom firmware like Tasmota or ESPHome after appropriate soldering or pin access.

User Manual

Scanned pages from the official user manual:

DONGLEM Manual

Internal Photos

Teardown photos showing the PCB and components:

DONGLEM PCB

Verdict

The DONGLEM is a WiFi device from the Sonoff ecosystem.