BLURCBUTTON4U Reset & Teardown (FCC ID 2BDC6-BLURCBUTTON4U)
Factory reset and internal photos for Shelly Group BLURCBUTTON4U. Shelly smart plug.
Before you buy the Shelly Group BLURCBUTTON4U, check what's inside.
The Shelly BLU RC Button 4 US is a smart, four-button Bluetooth remote control designed for easy integration into smart home ecosystems. It allows users to trigger actions and control devices wirelessly via Bluetooth, making it a versatile interface for automation.
ℹ️ Note: This is a battery-powered device. Remove batteries before opening.
⚠️ NOTE: Ensure correct battery polarity and do not ingest the battery. Keep away from children and liquids.
Quick Specs
- Manufacturer: Shelly Group
- Model: BLURCBUTTON4U
- Protocol: Bluetooth
- Chipset: Beken BK7231N
- Ecosystem: Shelly
- App: Shelly App
🔧 Geek Corner (Flashing Info)
- Chipset: Beken BK7231N
- Flashable: ✅ Yes
- Info: The device runs OpenBeken/LibreTiny firmware on a BK7231N chip, which is known to be flashable.
Reset Guide
Press and hold any of the buttons for 10 sec.
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 BLURCBUTTON4U is a Bluetooth device from the Shelly ecosystem.
📄 Click to view full text manual (SEO)
EN
User and safety guide
Shelly BLU RC Button 4 US
Smart Bluetooth four-button control
interface
Safety information
For safe and proper use, read this guide, and any
other documents accompanying this product.
Keep them for future reference. Failure to follow
the installation procedures can lead to malfunc-
tion, danger to health and life, violation of law,
and/or refusal of legal and commercial guarantees
(if any). Shelly Europe Ltd. is not responsible for
any loss or damage in case of incorrect installa -
tion or improper operation of this device due to
failure to follow the user and safety instructions
in this guide.
⚠This sign indicates safety information.
ⓘThis sign indicates an important note.
⚠WARNING!
• INGESTION HAZARD: This product
contains a button cell or coin battery.
• DEATH of serious injury can occur if
ingested.
• A swallowed button cell or coin bat-
tery can cause Internal Chemical
Burns in as little as 2 hours.
• KEEP new and used batteries OUT OF
REACH of CHILDREN.
• Seek immediate medical attention
if a battery is suspected to be swal-
lowed or inserted inside any part of
the body.
⚠WARNING! Even used batteries may cause severe injury
or death. Call a local poison control center for treatment
information!
⚠WARNING! Do not force discharge, recharge, disas -
semble, heat above manufacturer’s specified temperature
rating or incinerate! Doing so may result in injury due to
venting, leakage or explosion resulting in chemical burns.
⚠CAUTION! Remove and immediately recycle or dispose
of exhausted batteries according to your local regulations!
⚠CAUTION! Do not dispose of batteries in household
trash or incinerate! Batteries can emit hazardous com -
pounds or cause fire if not disposed of properly.
⚠CAUTION! If the Device is not used for an extended pe-
riod, remove the battery. Reuse it if it still has power or dis-
pose of it according to local regulations if it is exhausted.
⚠CAUTION! Use only 3V CR2032 battery!
⚠CAUTION! Ensure the batteries are installed correctly
according to polarity (+ and -).
⚠CAUTION! Always completely secure the battery com-
partment! If the battery compartment does not close se-
curely, stop using the product, remove the batteries, and
keep them away from children.
⚠ WARNING! Do not allow children to play with the mag-
nets. Even relatively small magnets can cause serious
injury if swallowed.
⚠CAUTION! Keep the Device away from liquids and
moisture. The Device shouldn’t be used in places with high
humidity.
⚠ CAUTION! Do not use it if the Device has been dam -
aged!
⚠ CAUTION! Do not attempt to service or repair the De-
vice yourself.
⚠ CAUTION! The Device may be connected wirelessly
and may control electric circuits and appliances. Proceed
with caution! Irresponsible use of the Device may lead to
malfunction, danger to your life or violation of the law.
Product description
Shelly BLU RC Button 4 US (the Device) is a smart
four-button Bluetooth remote control interface.
It fe...