U Reset & Teardown (FCC ID 2ANDL-BS24-U)
Factory reset and internal photos for Tuya Global U. Tuya / Smart Life smart plug.
January 15, 2026
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1 min read
Before you buy the Tuya Global U, check what's inside.
The Tuya BS24-U is a compact Bluetooth LE module featuring an EFR32BG24 chipset. It is designed for low-power embedded applications and integrates core functionalities for smart devices operating within the Tuya or Smart Life ecosystem.
⚠️ NOTE: Ensure correct battery polarity when installing.
Quick Specs
- Manufacturer: Tuya Global
- Model: U
- Protocol: WiFi
- Chipset: Realtek/Beken
- Ecosystem: Tuya / Smart Life
- App: Smart Life
🔧 Geek Corner (Flashing Info)
- Chipset: EFR32BG24
- Flashable: ❌ No
- Info: The EFR32BG24 chipset is proprietary and not typically flashable with custom firmware like Tasmota or ESPHome without significant hardware modification and reverse engineering.
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 U is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
BS24-U Module Datasheet
Version: 20230911
Online Version
Contents
Contents
1 Overview 2
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 New updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Module interfaces 4
2.1 Dimensions and footprint . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Pin definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Electrical parameters 11
3.1 Absolute electrical parameters . . . . . . . . . . . . . . . . . . . . . 11
3.2 Working conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3 Power consumption in working mode . . . . . . . . . . . . . . . . . . 12
4 RF parameters 14
4.1 Basic RF features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.2 T ransmitter (TX) performance . . . . . . . . . . . . . . . . . . . . . . 14
4.3 Receiver (RX) performance . . . . . . . . . . . . . . . . . . . . . . . 14
5 Antenna information 16
5.1 Antenna type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2 Antenna interference reduction . . . . . . . . . . . . . . . . . . . . . 16
6 Packing and production instructions 19
6.1 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.2 Side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.3 Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.4 Recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.5 Production instructions . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.6 Recommended oven temperature curve . . . . . . . . . . . . . . . . . 25
6.7 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7 MOQ and packaging information 29
8 Appendix: Statement 30
I
Contents
This topic describes T uya’s proprietary BS24-U Bluetooth low energy (LE) module.
It consists of a highly integrated wireless RF chip EFR32BG24 and a few peripheral
components, with a built-in Bluetooth protocol stack and various library functions.
1 / 32
1 Overview
1 Overview
BS24-U comes with a low-power 32-bit ARM Cortex-M33 core, 1024 KB of flash mem-
ory, 128 KB of RAM, and configurable GPIOs that can function as digital peripherals
for various applications. This module integrates all MAC and TCP/IP libraries. All
these resources can help develop your own embedded Bluetooth LE products.
1.1 Features
• Built-in low-power 32-bit CPU, ARM Cortex-M33 processor with DSP instruction
and floating-point unit can act as an application processor.
• Clock rate of 78 MHz.
• Wide operating voltage range: 2.0V to 3.8V .
• Peripherals: nine GPIO pins, one UART pin, two ADC pins, and five PWM pins.
• Bluetooth LE radio frequency (RF) features
– Bluetooth LE 5.3
– RF data rate of up to 2 Mbit/s
– Transmitter power: +17dBm
– Receiver sensitivity: -96 dBm@Bluetooth LE 1 Mbit/s
– Embedded hardware Advance...