BASICR4 Reset & Teardown (FCC ID 2APN5BASICR4)

Factory reset and internal photos for Sonoff (Itead) BASICR4. Sonoff smart plug.

January 16, 2026 • 1 min read

Before you buy the Sonoff (Itead) BASICR4, check what's inside.

The Sonoff BASICR4 is a Wi-Fi enabled smart switch designed for direct integration with mains power, allowing remote control of appliances via the eWeLink app. It's a straightforward solution for adding smart functionality to existing circuits.

⚠️ NOTE: Always disconnect mains power (110-240V) before performing any installation or maintenance.

Quick Specs

Manufacturer: Sonoff (Itead)
Model: BASICR4
Protocol: WiFi
Chipset: ESP/CK Chip
Ecosystem: Sonoff
App: eWeLink

🔧 Geek Corner (Flashing Info)

Chipset: ESP32-C3FN4
Flashable: ✅ Yes
Info: Utilizes an ESP32-C3 chip, which is generally flashable with custom firmware like Tasmota or ESPHome after soldering necessary pins.

User Manual

Scanned pages from the official user manual:

BASICR4 Manual

External Photos

Photos of the device exterior:

BASICR4 Exterior

Internal Photos

Teardown photos showing the PCB and components:

BASICR4 PCB

Verdict

The BASICR4 is a WiFi device from the Sonoff ecosystem.