Simplicity Connect Mobile App Version 3.1.0 (June 16, 2025) - Release Notes#

Simplicity SDK Version 2025.6.0

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#

  • Amazon AWS IoT Cloud demo.

  • Wi-Fi Provisioning for SiWx917.

  • BLE IOP Test Enhancement.

API Changes#

None.

Bug Fixes#

  • Support of WPA3 security.

  • Functional issues related to OTA.

Chip Enablement#

  • EFR32BG22L

  • EFR32BG24L

  • EFR32xG29

  • SiWx917

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#

  • Amazon AWS IoT Cloud demo.

  • Wi-Fi Provisioning for SiWx917.

  • BLE IOP Test Enhancement.

Enhancements#

  • Matter Switch support.

  • Device information page.

Removed Features#

None.

Deprecated Features#

None.

API Changes#

None.

Bug Fixes#

ID Issue Description GitHub / Salesforce Reference Affected Software Variants, Hardware, Modes, Host Interfaces
1440411 The connection fails with the Out of Box demo when the security type is set to either mixed WPA2+WPA3 personal or WPA3 personal. None
  • Wi-Fi Commissioning
  • Wi-Fi Provisioning
  • Wi-Fi Sensors
1405984 Customer is able to update a BLE firmware using Simplicity Connect on Android Phone, but not with iOS phone. None
  • OTA Update

Chip Enablement#

Chip Family OPNs / Boards / OPN Combinations Supported Software Variants (if applicable) Supported Modes Supported Host Interfaces
SiWx91x SiWx917 Standard connectivity firmware for Wi-Fi SoC UART

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

Amazon AWS IoT Cloud demo

User Guide
The Amazon AWS IoT Cloud demo demonstrates real-time sensor data visualization from the SiWx91x Dev Kit on a mobile dashboard, with secure AWS IoT certificate connectivity and remote LED control via the mobile app. SoC SiWx917 UART UART

Wi-Fi - Provisioning

User Guide
Wi-Fi Provisioning demo showcases how to perform provisioning over Wi-Fi N/A SiWx917 UART UART

BLE IOP Test Enhancement

BLE IOP Test Enhancement to support SiWx917 N/A SiWx917 UART UART

Modified Examples#

Example Name Changes Supported Software Variants Supported Modes Supported OPNs / Boards / OPN Combinations Supported Host Interfaces

Matter Switch

User Guide

Users can control Matter light devices using the Matter switch. N/A SoC
  • EFR32xG24 (Thread)
  • SiWx917 (Wi-Fi)
  • 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?#

    • Amazon AWS IoT Cloud

    • Wi-Fi Provisioning for SiWx917

    Compatible Software#

    Software

    Compatible version or variant

    Si Connect App

    3.1.0

    WiSeConnect 3

    3.5.0

    Silicon Labs Matter

    2.5.2

    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:

    1. Go to https://community.silabs.com/.

    2. Log in with your account credentials.

    3. Click your profile icon in the upper-right corner of the page.

    4. Select Notifications from the dropdown menu.

    5. In the Notifications section, go to the My Product Notifications tab to review historical Security and Software Advisory notifications

    6. 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#

    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 Lighting 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

    Unsupported Features#

    None.

    SDK Release and Maintenance Policy#

    See here for our SDK release and maintenance policy.