U Reset & Teardown (FCC ID 2ANDL-ZS24-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.
This device is a Tuya ZS24-U Zigbee module based on the EFR32MG24 chipset. It's designed for integration into smart home devices requiring low-power Zigbee connectivity.
⚠️ 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: EFR32MG24
- Flashable: ❌ No
- Info: The EFR32MG24 is a secure Zigbee SoC from Silicon Labs and is not typically flashable with custom firmware like Tasmota or ESPHome due to its architecture and security features.
User Manual
Scanned pages from the official user manual:
External Photos
Photos of the device exterior:
Verdict
The U is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
ZS24-U Module Datasheet
Version: 20230221
Online Version
Contents
Contents
1 Product overview 2
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Module interfaces 3
2.1 Dimensions and footprint . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Pin definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Electrical parameters 9
3.1 Absolute electrical parameters . . . . . . . . . . . . . . . . . . . . . 9
3.2 Normal working conditions . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 TX and RX power consumption . . . . . . . . . . . . . . . . . . . . . 10
3.4 Working current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4 RF parameters 12
4.1 Basic RF features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2 TX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.3 RX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 Antenna information 14
5.1 Antenna type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.2 Antenna interference reduction . . . . . . . . . . . . . . . . . . . . . 14
6 Packaging information and production instructions 17
6.1 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.2 Side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.3 Schematic diagram of footprint . . . . . . . . . . . . . . . . . . . . . 20
6.4 Recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.5 Production instructions . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.6 Recommended oven temperature curve . . . . . . . . . . . . . . . . . 24
6.7 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
7 MOQ and packaging information 28
8 Appendix: Statement 29
I
Contents
ZS24-U is a Zigbee module that T uya has developed. It consists of a highly inte-
grated RF processing chip EFR32MG24, a few peripherals, a built-in 802.15.4 PHY/-
MAC network protocol stack, and rich library functions.
1 / 31
1 Product overview
1 Product overview
ZS24-U is embedded with a low-power 32-bit ARM Cortex-M33 core, 1024-KB flash
program memory, 128-KB RAM, and abundant peripheral resources. It integrates all
function libraries of the MAC and TCP/IP . Y ou can develop embedded Zigbee products
as required.
1.1 Features•
Embedded ARM Cortex-M33 processor having a low-power 32-bit CPU and DSP
instructions and floating-point units, which can also function as an application
processor.
• Clock rate: 78 MHz
• Wide operating voltage: 2.0 to 3.8 V
• Peripherals: 9 GPIOs, 1 UART, 2 ADCs, and 5 PWMs
• Zigbee connectivity
– Support 802.15.4 MAC/PHY
– Working channels 11 to 26 @2.400 to 2.483 GHz, air interface rate: 250
Kbps
– Up to +10dBm output power
– 35 μA/MHz power consumption during running; 5-μA sleep current
– PCB antenna inside
– Onboard antenna with a gain of 1.1...