S31 Reset & Teardown (FCC ID 2AE2J-S31)
Factory reset and internal photos for Shelly (Allterco) S31. Shelly smart plug.
January 15, 2026
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1 min read
Before you buy the Shelly (Allterco) S31, check what's inside.
The S31 is a WiFi-enabled smart socket designed to remotely control home appliances and electric devices via the eWeLink app. It supports 2.4GHz WiFi and allows for scheduling, device sharing, and group/scene management.
⚠️ NOTE: Ensure device is plugged into a compatible mains outlet and follow proper wiring procedures if installation is required.
Quick Specs
- Manufacturer: Shelly (Allterco)
- Model: S31
- Protocol: WiFi
- Chipset: ESP32
- Ecosystem: Shelly
- App: Shelly App
🔧 Geek Corner (Flashing Info)
- Chipset: ESP8266
- Flashable: ✅ Yes
- Info: The S31 uses an ESP8266 module, which is commonly 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 S31 is a WiFi device from the Shelly ecosystem.
📄 Click to view full text manual (SEO)
S31 User Guide
S31 Smart Socket is a wifi wireless smart socket that can connect any home
appliances and electric devices via wifi, allowing you to remote control on
iOS/Android APP eWeLink. After adding the smart socket to your APP, you are
able to remote turn on or off your connected devices from anywhere at any time.
Also, you can set timing schedules, share control of the device to others,
manage group and scene with the APP.
Hi, welcome to use S31 Smart Socket !
1. Download “eWeLink” app.
Search “eWeLink” in APP Store for iOS version or Google play for
Android version.
2. Add device
1. Plug in and power up your S31 Socket.
2. Press the button for 7 seconds until the green LED
this:
Open eWeLink, click”+”. You’ll see the pairing icons.
For Android users, please select the 1st icon, click next.
For iOS users, select the pairing icon accordingly. Then go to
Setting>WiFi>connect the WiFi begins with ITEAD
default password 12345678. Go back to eWeLink, click next.
3. It will auto-search and connect smart home device around you.
4. Input your home SSID & password:
4.1 If no password, keep it blank.
4.2 Now eWeLink only support 2.4G WiFi communication
5G-WiFi is not supported.
5. Name the device to complete.
6. Maybe the device is “Offline” on eWeLink, for the device needs 1
minute to connect to your router and server. When the green LED on,
the device is “Online”, if eWeLink shows still “Offline”, please close
eWeLink and re-open.
2. Press the button for 7 seconds until the green LED blinks like
Open eWeLink, click”+”. You’ll see the pairing icons.
please select the 1st icon, click next.
For iOS users, select the pairing icon accordingly. Then go to
Setting>WiFi>connect the WiFi begins with ITEAD-******, enter
password 12345678. Go back to eWeLink, click next.
and connect smart home device around you.
4. Input your home SSID & password:
4.1 If no password, keep it blank.
only support 2.4G WiFi communication protocol,
WiFi is not supported.
5. Name the device to complete.
device is “Offline” on eWeLink, for the device needs 1
minute to connect to your router and server. When the green LED on,
the device is “Online”, if eWeLink shows still “Offline”, please close
blinks like
Phone
******, enter
and connect smart home device around you.
protocol,
device is “Offline” on eWeLink, for the device needs 1
minute to connect to your router and server. When the green LED on,
the device is “Online”, if eWeLink shows still “Offline”, please close
3. APP features
1. WiFi remote control and device state
Turn on/off by tapping on device icon. Device state
alwayssimultaneous display on APP.
2. ShareControl
The owner can share the devices to other eWeLink accounts.
While sharing devices, both should stay online on eWeLink. Because if
the account you want to share is not online, he/she will not receive the
invitation message.
How to make it possible? Firstly click Share, input the eWeLink
account (phone numb...