Simplicity Connect Mobile App Version 3.3.1 - Release Notes (Jul 29, 2026)#
These release notes cover Simplicity Connect for Android and iOS.
Click here for earlier releases.
The Simplicity Connect app includes sample demos to help you get started with Simplicity Connect and Silicon Labs development tools.
Release Summary#
Key Features | API Changes | Bug Fixes | Chip Enablement
Key Features#
Added in 3.3.1#
None.
Added in 3.3.0#
Added Simplicity Connect rebranding.
Added Matter demos for Oven and Range Hood.
Added example app titles to the app and user guide.
Added a proximity lock demo via channel sounding on Android.
API Changes#
None.
Bug Fixes#
Fixed in 3.3.1#
Fixed an issue where the peripheral device disconnected when selecting a file during the Over-the-Air (OTA) Non-Ack interoperability (IOP) test.
Fixed an issue where the informational popup for FreeRTOS system-on-chip (SoC) devices was not displayed during IOP testing.
Fixed in 3.3.0#
Fixed BLE disconnection (0x4E13 timeout expired) occurring during repeated Wi-Fi AP switching.
Chip Enablement#
None.
Key Features#
New Features | Enhancements | Removed Features | Deprecated Features
Note: See Feature Matrix for APIs, examples, software variants, modes, hardware, and host interfaces that apply to each feature.
New Features#
Added in 3.3.1#
None.
Added in 3.3.0#
Added Simplicity Connect rebranding.
Added Matter demos for Oven and Range Hood.
Added example app titles to the app and user guide.
Added a proximity lock demo via channel sounding on Android.
Enhancements#
Added in 3.3.1#
Added Expert Mode to the IOP Test.
Added a Generic Attribute Profile (GATT) Table to the IOP Test.
Added Throughput Status to the IOP Test.
Updated the test result with the message "Test Case 7.5 is not applicable for Android".
Improved the documentation for the Channel Sounding Demo.
Added in 3.3.0#
Updated the Channel Sounding Phase 1 demo for Android.
Removed Features#
None.
Deprecated Features#
None.
API Changes#
New APIs#
None.
Modified APIs#
None.
Removed APIs#
None.
Deprecated APIs#
None.
Bug Fixes#
Fixed in 3.3.1#
| ID | Issue Description | GitHub / Salesforce Reference | Affected Software Variants, Hardware, Modes, Host Interfaces |
|---|---|---|---|
| 1685574 | Fixed an issue where the peripheral device disconnected when selecting a file during the Over-the-Air (OTA) Non-Ack interoperability (IOP) test. | None. |
|
| 1686308 | Fixed an issue where the informational popup for FreeRTOS system-on-chip (SoC) devices was not displayed during IOP testing. | None. |
|
Fixed in 3.3.0#
| ID | Issue Description | GitHub / Salesforce Reference | Affected Software Variants, Hardware, Modes, Host Interfaces |
|---|---|---|---|
| 1650052 | Fixed BLE disconnection (0x4E13 timeout expired) occurring during repeated Wi-Fi AP switching. | None. |
|
Chip Enablement#
None.
Application Example Changes#
New Examples | Modified Examples | Removed Examples | Deprecated Examples
New Examples#
Added in 3.3.1#
None.
Added in 3.3.0#
Added Simplicity Connect rebranding.
Added Matter demos for Oven and Range Hood.
Added example app titles to the app and user guide.
Added a proximity lock demo via channel sounding on Android.
Modified Examples#
Modified in 3.3.1#
Enhanced the IOP test case demo with robust testing coverage and validations.
Updated the Channel Sounding demo for Android.
Modified in 3.3.0#
Updated the Channel Sounding demo for Android.
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 in 3.3.1#
None.
Added in 3.3.0#
Added Simplicity Connect rebranding.
Added Matter demos for Oven and Range Hood.
Added example app titles to the app and user guide.
Added a proximity lock demo via channel sounding on Android.
Compatible Software#
Software | Compatible version or variant |
|---|---|
Simplicity Connect App | 3.3.1 |
WiSeConnect | 4.1.1 |
Silicon Labs Matter | 2.9.1 - 1.6 |
Installation and Use#
To upgrade your application with this release, download from Google Play Store or Apple App Store.
Find the source code on GitHub for iOS and Android.
To run your first demo, see the Getting Started Guides.
To start your development, see the 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, see the online documentation.
Help and Feedback#
Contact Silicon Labs Support.
Use the Ask AI tool to get answers.
Log an issue in the GitHub repository.
See the open-source contribution guidelines.
Get help from the 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 | Read data from the 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 connected lights 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 the LED and receive button presses | 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 devices | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC | EFR32xG24 | N/A | RAIL - SoC Range Test example from Simplicity Studio |
| BLE Throughput | Measure throughput between a mobile device and an EFR32 device | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC | EFR32xG24 | N/A | Bluetooth - SoC Throughput example from Simplicity Studio |
| Motion | Control a 3D rendering of the 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 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 and commission ESL tags by scanning a QR code | Sample Demo | N/A | Secure connectivity firmware for BLE | SoC and NCP | EFR32xG22 (SoC), EFR32BG22 (NCP) | UART | Bluetooth - NCP ESL Access Point and Bluetooth ESL tag example from Simplicity Studio |
| Matter | Add and commission Matter devices by scanning QR codes | 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 over-the-air (OTA) firmware updates 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 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 throughput between a mobile device and a SiWx917 device | 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, and read data from devices over AWS IoT Cloud | 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 and commission smart locks and read and control them 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 | Demonstrates energy harvesting from devices | Sample Demo | N/A | Standard connectivity firmware for Wi-Fi | SoC | BRD2710A and BRD8201A | UART | Bluetooth - SoC Energy Harvesting Sensor example from Simplicity Studio |
| Channel Sounding Demo (Android) | Demonstrates a proximity lock demo via channel sounding. | Sample Demo | N/A | Standard connectivity firmware for BLE | SoC | BRD2606A | UART | Bluetooth - SoC CS Initiator and Bluetooth - SoC CS Reflector example from Simplicity Studio |
Unsupported Features#
None.
SDK Release and Maintenance Policy#
See here for SDK release and maintenance policy.