MICRO Reset & Teardown (FCC ID 2APN5MICRO)
Factory reset and internal photos for Sonoff (Itead) MICRO. Sonoff smart plug.
January 15, 2026
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Before you buy the Sonoff (Itead) MICRO, check what's inside.
The Sonoff MICRO is a small, battery-powered RF 433MHz bridge designed to convert simple RF remotes into smart devices controllable via the eWeLink app. It acts as a hub to bring non-smart RF devices into a connected ecosystem.
⚠️ NOTE: Ensure correct battery polarity when installing the CR2032 battery. Do not expose to water.
Quick Specs
- Manufacturer: Sonoff (Itead)
- Model: MICRO
- Protocol: WiFi
- Chipset: ESP/CK Chip
- Ecosystem: Sonoff
- App: eWeLink
🔧 Geek Corner (Flashing Info)
- Chipset: ESP32
- Flashable: ❌ No
- Info: The Sonoff MICRO uses an ESP32 chip with proprietary RF firmware that is not easily flashable with custom firmware like Tasmota or ESPHome for RF control.
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 MICRO is a WiFi device from the Sonoff ecosystem.
📄 Click to view full text manual (SEO)
FCC Warning
Changes°'modifications not exp,essly
apprnved by the party
mponsible to,
compliance could void the use,'s autho,ity
to ope,ate the equipment
This device complies with part 15 of the
FCC Rules. Ope,atlon Is subject to the
following two conditions (t) This device
may not cause ha『而ul inte「fe,ence, and
(2)
this device must accept any inte什e,ence
,eceived, including intene,ence that may
cause undesi,ed opa,ation
FCC Radiation Exposure Statement:
This equipment complies with FCC ,adiation
exposure limits set forth for an uncontrolled
environment This transmitter must not
be colocated
o, operating in conjunclion
wlth
any other
antenna or transmitter.
Note.
This equipment has been tested and found
to comply with the limits to, a Class B
digital device, pursuant to pa,t t 5 of the
FCC Rules. These limits a,e designed to
prnvide reasonable prntection against
harmful interre,ence in a 「esidential
installation. This equipment gene,ates,
uses and can ,adiate rndio frequency
ene,gy and, if not installed and ,sed in
ac co,dance with the instructions, may
cause ha,mful inte,rernnce to ,adio
communications. Howeve,, the,e is no
guarantee that lnterterence will not occu,
In a particular Installation. If this equipment
does cause ham飞ful interterence to radio
or television reception, which can be
determined by turning the equipment
off and on, the user is encouraged to tcy
to correct the interterence by one or
more of the following measure"
-Reo凇ntor relocate the receving 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
『adio/TV technician for help
分
To avoid electric shocks, be sure to
disconnect the power supply cord when
Installing the product...