RM433R2 Reset & Teardown (FCC ID 2APN5RM433R2)
Factory reset and internal photos for Sonoff (Itead) RM433R2. Sonoff smart plug.
January 16, 2026
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1 min read
Before you buy the Sonoff (Itead) RM433R2, check what's inside.
The Sonoff RM433R2 is a 433MHz RF remote control designed for Sonoff RF Bridge and other compatible receivers. It offers a simple way to control smart devices from a distance.
⚠️ NOTE: Ensure correct battery polarity.
Quick Specs
- Manufacturer: Sonoff (Itead)
- Model: RM433R2
- Protocol: WiFi
- Chipset: ESP/CK Chip
- Ecosystem: Sonoff
- App: eWeLink
🔧 Geek Corner (Flashing Info)
- Chipset: Unknown
- Flashable: ❌ No
- Info: This is an RF-only remote and does not contain a microcontroller that can be flashed 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 RM433R2 is a WiFi device from the Sonoff ecosystem.
📄 Click to view full text manual (SEO)
The device has been evaluated to meet general RF exposure requirement. The device
can be used in portable exposure condition without restriction....