Simplicity Connect Mobile App Version 3.2.0 - Release Notes (Jan 22, 2026)#
Simplicity SDK Version 2025.12.0
These release notes cover Simplicity Connect for Android and iOS.
Click here for earlier releases.
Simplicity Connect App includes simple demos to teach you how to get started with Simplicity Connect and all Silicon Labs development tools.
Release Summary#
Key Features | API Changes | Bug Fixes | Chip Enablement
Key Features#
Added the Battery-less Asset Tagging Demo.
Added the Channel Sounding Demo (Android).
Added the Smart lock Demo.
Added the Matter EVSE Demo.
API Changes#
None.
Bug Fixes#
Fixed Simplicity Connect app v3.1.1 RSSI Graph freeze after 3 seconds.
Fixed missing button at the write new value.
Chip Enablement#
None.
Key Features#
New Features | Enhancements | Removed Features | Deprecated Features
Note: See Feature Matrix for a list of any applicable APIs, examples, software variants, modes, hardware, and host interfaces applicable for each feature.
New Features#
Added the Battery-less Asset Tagging Demo.
Added the Channel Sounding Demo (Android).
Added the Smart lock Demo.
Added the Matter EVSE Demo.
Enhancements#
Matter EVSE Demo.
Connected Device (DMP) Demo.
Removed Features#
None.
Deprecated Features#
None.
API Changes#
None.
Bug Fixes#
| ID | Issue Description | GitHub / Salesforce Reference | Affected Software Variants, Hardware, Modes, Host Interfaces |
|---|---|---|---|
| 1524422 | Simplicity Connect app v3.1.1 RSSI Graph froze after 3 seconds. | None. | None. |
| 1525534 | Missing button at the write new value. | None. | None. |
| 1412458 | Bluetooth connection interval has been modified by the Simplicity Connect v3.0.1. | None. | None. |
Chip Enablement#
None.
Application Example Changes#
New Examples | Modified Examples | Removed Examples | Deprecated Examples
New Examples#
| Example Name | Description | Supported Software Variants | Supported Modes | Supported OPNs / Boards / OPN Combinations | Supported Host Interfaces |
|---|---|---|---|---|---|
|
Smart Lock User Guide |
The Smart Lock demo showcases how to control a smart lock using Bluetooth Low Energy (BLE) and Amazon Web Services (AWS). The SiWx91x Development Kit (Dev Kit) functions as the smart lock device. Users can control the smart lock device locally via BLE or remotely via AWS. | SoC | SiWx917 | UART | UART |
|
Battery-less Asset Tagging Demo User Guide |
This demo showcases a battery-less asset tracking system based on the principle of energy harvesting. | N/A | SiWx917 | UART | UART |
|
Channel Sounding User Guide |
Measure distance using Bluetooth channel sounding between a mobile device and an EFR32xG24. | N/A | EFR32xG24 | UART | UART |
|
Matter EVSE User Guide |
The user can commission, get status, change mode of charging and control the EVSE Matter device. | N/A | SiWx917 | UART | UART |
Modified Examples#
| Example Name | Changes | Supported Software Variants | Supported Modes | Supported OPNs / Boards / OPN Combinations | Supported Host Interfaces |
|---|---|---|---|---|---|
|
Connected Device |
Users can control a Dynamic Multiprotocol application of a connected device. | N/A | SoC |
|
N/A |
Removed Examples#
None.
Deprecated Examples#
None.
Known Issues and Limitations#
None.
Impact of Release Changes#
None.
Using This Release#
What's in the Release?#
Added the Battery-less Asset Tagging.
Added the Channel Sounding Demo (Android).
Added the Smart lock Demo.
Added the Matter EVSE Demo.
Added the Connected Device (DMP) Demo.
Compatible Software#
Software | Compatible version or variant |
|---|---|
Simplicity Connect App | 3.2.0 |
WiSeConnect | 4.0.0 |
Silicon Labs Matter | 2.8.0 |
Installation and Use#
To upgrade your application with this release, download from Google Play Store or Apple App Store.
Source code can be found on GitHub iOS Android.
To run your first demo, see our Getting Started Guides.
To kick start your development, see our Developer's Guide.
For information about Secure Vault Integration, see Secure Vault.
To review Security and Software Advisory notifications and manage your notification preferences:
Log in with your account credentials.
Click your profile icon in the upper-right corner of the page.
Select Notifications from the dropdown menu.
In the Notifications section, go to the My Product Notifications tab to review historical Security and Software Advisory notifications
To manage your preferences, use the Manage Notifications tab to customize which product updates and advisories you receive.
To learn more about the software in this release, dive into our online documentation.
Help and Feedback#
Contact Silicon Labs Support.
Use our Ask AI tool to get answers.
Log an issue in the GitHub repo.
See our open-source contribution guidelines.
Get help from our developer community.
Feature Matrix#
Supported Features#
| Feature Name | Description | Quality | Related API Name(S) | Supported Software Variant(s) | Supported Mode(s) | Supported OPN(s) / Board(s) / OPN Combination(s) | Supported Host Interface(s) | Application Examples |
|---|---|---|---|---|---|---|---|---|
| Health Thermometer | Reading data from Health Thermometer Service | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC | EFR32xG24 | N/A | Bluetooth - SoC Thermometer example from Simplicity Studio |
| Connected Device | Control application of connected light and switches | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC | EFR32xG24 | N/A | rail_soc_light & rail_soc_switch example from Simplicity Studio |
| Blinky | Control LED and Receive button press | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC | EFR32xG24 | N/A | Bluetooth - SoC Blinky example from Simplicity Studio |
| Range Test | Evaluate the link budget and range of EFR32 | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC | EFR32xG24 | N/A | RAIL - SoC Range Test example from Simplicity Studio |
| BLE Throughput | Measure the TP between mobile device and EFR32 | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC | EFR32xG24 | N/A | Bluetooth - SoC Throughput example from Simplicity Studio |
| Motion | Control a 3D render of Dev Kit | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC | EFR32xG24 | N/A | bt_soc_thunderboard example from Simplicity Studio |
| Environment | Read and display the data from the Dev Kit | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC | EFR32xG24 | N/A | bt_soc_thunderboard example from Simplicity Studio |
| Wi-Fi Commissioning | Wi-Fi Commissioning over BLE | Sample Demo | N/A | Standard connectivity firmware for Wi-Fi | SoC | SiWx917 | N/A | Out of Box Demo (SoC) example from Simplicity Studio |
| ESL | Add/commission the ESL tag by scanning QR Code | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC and NCP | EFR32xG22 (SoC), EFR32BG22 (NCP) | UART | Bluetooth - NCP ESL Access Point & Bluetooth ESL tag example from Simplicity Studio |
| Matter | Add/commission the Matter tags by scanning QR Code | Sample Demo | N/A | Secure connectivity firmware for BLE and Standard connectivity firmware for Wi-Fi | SoC | EFR32xG24 (Thread), SiWx917 ( Wi-Fi) | UART | Matter - SoC Lighting over Wi-Fi/THREAD from Simplicity Studio |
| Wi-Fi OTA | Control OTA FW update over Wi-Fi | Sample Demo | N/A | Standard connectivity firmware for Wi-Fi | SoC | SiWx917 | UART | Wi-Fi - M4 Firmware Update via TCP example from Simplicity Studio |
| Wi-Fi Sensor | Read and display the sensor data from the dev Kit | Sample Demo | N/A | Standard connectivity firmware for Wi-Fi | SoC | SiWx917 | UART | Wi-Fi - SiWx917 Dev Kit (BRD2605A) example from Simplicity Studio |
| Wi-Fi Throughput | Measure Wi-Fi TP between mobile device and SiWx917 | Sample Demo | N/A | Standard connectivity firmware for Wi-Fi | SoC | SiWx917 | UART | Wi-Fi - Throughput (SoC) example from Simplicity Studio |
| Wi-Fi Provisioning | Wi-Fi Provisioning over Wi-Fi | Sample Demo | N/A | Standard connectivity firmware for Wi-Fi | SoC | SiWx917 | UART | Wi-Fi - Provisioning via Access Point (SoC) example from Simplicity Studio |
| Amazon AWS IoT Cloud | Add/commission/read and control device over AWS IoT | Sample Demo | N/A | Standard connectivity firmware for Wi-Fi | SoC | SiWx917 | UART | Wi-Fi Coex - Wi-Fi Client BLE Provisioning with AWS (SoC) example from Simplicity Studio |
| Smart Lock | Add/commission smart lock and read/control it over bluetooth and AWS IoT Cloud. | Sample Demo | N/A | Standard connectivity firmware for Wi-Fi | SoC | SiWx917 | UART | Smart Lock example from Simplicity Studio |
| Battery-less Asset Tagging | This will show energy harvesting by devices. | Sample Demo | N/A | Standard connectivity firmware for Wi-Fi | SoC | SiWx917 | UART | Bluetooth - SoC Energy Harvesting Sensor example from Simplicity Studio |
| Channel Sounding Demo (Android) | This will show energy harvesting by devices. | Sample Demo | N/A | Standard connectivity firmware for BLE | SoC | SiWx917 | UART | Bluetooth - SoC Energy Harvesting Sensor example from Simplicity Studio |
Unsupported Features#
None.
SDK Release and Maintenance Policy#
See here for our SDK release and maintenance policy.