TYBT4L Reset & Teardown (FCC ID 2ANDL-TYBT4L)
Factory reset and internal photos for Tuya Global TYBT4L. Tuya / Smart Life smart plug.
January 15, 2026
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1 min read
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:









External Photos
Photos of the device exterior:

Internal Photos
Teardown photos showing the PCB and components:


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...