BASICR3 Reset & Teardown (FCC ID 2APN5BASICR3)
Factory reset and internal photos for Sonoff (Itead) BASICR3. Sonoff smart plug.
January 15, 2026
•
1 min read
Before you buy the Sonoff (Itead) BASICR3, check what's inside.
The Sonoff BASICR3 is a compact WiFi-enabled smart switch designed to convert traditional electrical devices into smart ones. It allows for remote control and automation of lights, fans, and other appliances via the eWeLink app.
⚠️ NOTE: Ensure all electrical connections are made by a qualified electrician and that power is disconnected before installation.
Quick Specs
- Manufacturer: Sonoff (Itead)
- Model: BASICR3
- Protocol: WiFi + Bluetooth LE
- Chipset: ESP/CK Chip
- Ecosystem: Sonoff
- App: eWeLink
🔧 Geek Corner (Flashing Info)
- Chipset: ESP8285
- Flashable: ✅ Yes
- Info: The Sonoff BASICR3 uses an ESP8285 chip, which is known to be flashable 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 BASICR3 is a WiFi device from the Sonoff ecosystem.
📄 Click to view full text manual (SEO)
Input
100-240V
AC
BASICRFR3
BASICRFR3
BASICR3
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FCC Warning
Any Changes or modifications not expressly
approved by the party responsible for compliance
could void the user’s authority to operate the
equipment.
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference,
and (2) this device must accept any interference
received, including interference that may cause
undesired operation.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation
exposure limits set forth for an uncontrolled
environment. This equipment should be installed
and operated with minimum distance 20cm between
the radiator& your body.
This transmitter must not be co-located or operating
in conjunction with any other antenna or transmitter.
Note: This equipment has been tested and found
to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection
against harmful interference in a residential
installation. This equipment generates uses and can
radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may
cause harmful interference to radio communications.
However, there is no guarantee that interference will
not occur in a particular installation. If this equipment
does cause harmful interference to radio or television
reception, which can be determined by turning the
equipment off and on, the user is encouraged to try
to correct the interference by one or more of the
following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment
and receiver.
—Connect the equipment into an outlet on a circuit
different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/TV
technician for help.
Wi-Fi Smart Switch
FCC ID:2APN5RM433...