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TYBT4L Reset & Teardown (FCC ID 2ANDL-TYBT4L)

Factory reset and internal photos for Tuya Global TYBT4L. Tuya / Smart Life smart plug.

January 15, 2026 1 min read

TYBT4L internal photo

Before you buy the Tuya Global TYBT4L, check what's inside.

The Tuya TYBT4L is a low-power Bluetooth module designed for integration into smart home devices. It utilizes BLE for communication and is typically powered by a coin cell battery.

⚠️ NOTE: Ensure correct battery polarity when replacing. Not suitable for mains power.

Quick Specs

  • Manufacturer: Tuya Global
  • Model: TYBT4L
  • Protocol: Bluetooth
  • Chipset: Realtek/Beken
  • Ecosystem: Tuya / Smart Life
  • App: Smart Life

🔧 Geek Corner (Flashing Info)

  • Chipset: Realtek/Beken BLE SoC
  • Flashable: ❌ No
  • Info: Uses proprietary Tuya BLE SoC, not designed for custom firmware like Tasmota or ESPHome.

User Manual

Scanned pages from the official user manual:

TYBT4L Manual

TYBT4L Manual

TYBT4L Manual

TYBT4L Manual

TYBT4L Manual

TYBT4L Manual

TYBT4L Manual

TYBT4L Manual

TYBT4L Manual

External Photos

Photos of the device exterior:

TYBT4L Exterior

Internal Photos

Teardown photos showing the PCB and components:

TYBT4L PCB

TYBT4L PCB

Verdict

The TYBT4L is a Bluetooth device from the Tuya / Smart Life ecosystem.

📄 Click to view full text manual (SEO)
TYBT4L V1.0.0 UserManual
 Version1.0.01
BLE module introduction–TYBT4L
Contents
1. Product Overview ... ...................................................................................................................... 2
1.1 Features ...............................................................................................................................2 
1.2 Major Application Fields . ................................................................................................... 3 
2. Module Interfaces .. ....................................................................................................................... 3
2.1 Dimensions and Footprint . .................................................................................................. 3 
2.2 Pin definition ......................................................................................................................4 
3. Electrical Characteristics .. ............................................................................................................6
3.1 Absolute Electrical Characteristics . ....................................................................................6 
3.2 Electrical Conditions .. ......................................................................................................... 6 
3.3 Power Consumption in Operating Mode . .........................................................................7 
4. RF Features .. ................................................................................................................................. 7
4.1 Basic RF Features . .............................................................................................................. 7 
4.2 RF Output Power . ............................................................................................................... 7 
4.3 RF RX Sensitivity . .............................................................................................................. 8 
5.Antenna Information .. ....................................................................................................................8
5.1 Antenna Types . ................................................................................................................... 8 
5.2 Antenna Interference Reduction . ........................................................................................ 8 
6.Packaging information and production instruction ......................................................................10
6.1 Mechanical Dimensions and Size of the Back Pad . .......................................................... 10 
6.2 Production Instructions ... ..................................................................................................10
TYBT4L V1.0.0 UserManual
 Version1.0.02
1. Product Overview
TYBT4L is a low power-consuming built-in Bluetooth module developed by Hangzhou Tuya 
Information Technology Co., Ltd. It consists of a highly i...