# Revision history

| Revision | Date | Description |
| --- | --- | --- |
| BM | Jul 2026 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.81.0</p></li><br></ul> |
| BL | May 2026 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.80.0</p></li><br></ul> |
| BK | Mar 2026 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.79.0</p></li><br></ul> |
| BJ | Feb 2026 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.78.0</p></li><br></ul> |
| BH | Nov 2025 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.77.0</p></li><br></ul> |
| BG | Jul 2025 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.76.0</p></li><br></ul> |
| BF | Jun 2025 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.75.0</p></li><br></ul> |
| BE | Apr 2025 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.74.0</p></li><br></ul> |
| BD | Feb 2025 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.73.0</p></li><br></ul> |
| BC | Jan 2025 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.72.0</p></li><br></ul> |
| BB | Oct 2024 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.71.0</p></li><br></ul> |
| BA | Sep 2024 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.70.0</p></li><br></ul> |
| AY | Jul 2024 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.69.0</p></li><br></ul> |
| AW | Jun 2024 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.68.0</p></li><br></ul> |
| AU/AV | Apr 2024 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.67.0</p></li><br></ul> |
| AT | Feb 2024 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.66.0</p></li><br></ul> |
| AS | Jan 2024 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.65.0</p></li><br></ul> |
| AR | Dec 2023 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.64.0</p></li><br></ul> |
| AP | Oct 2023 | <ul class="simple"><br><li><p>Added support for Diagnostics services</p></li><br><li><p>Updated documentation for API reference and user guide for V1.63.0</p></li><br></ul> |
| AN | Sep 2023 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.62.0</p></li><br></ul> |
| AM | Aug 2023 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.61.0</p></li><br></ul> |
| AL | Jul 2023 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.60.0</p></li><br></ul> |
| AK | Jun 2023 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.59.0</p></li><br></ul> |
| AJ | May 2023 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.58.0</p></li><br></ul> |
| AH | Apr 2023 | <ul class="simple"><br><li><p>Updated documentation for API reference and user guide for V1.57.0</p></li><br></ul> |
| AG | Mar 2023 | <ul class="simple"><br><li><p>Added support for thermal notifications(Trip update, Cdev level change)</p></li><br><li><p>Added sample apps for thermal notifications</p></li><br><li><p>Updated documentation for API reference and user guide for V1.56.0</p></li><br></ul> |
| AF | Dec 2022 | <ul class="simple"><br><li><p>Added support for Third party service (TPS) eCall over IMS</p></li><br><li><p>Added sample apps for crypto accelerator</p></li><br></ul> |
| AE | Nov 2022 | <ul class="simple"><br><li><p>Add support for WLAN features</p></li><br><li><p>Updated documentation for API reference and user guide for V1.54.0</p></li><br></ul> |
| AD | Sep 2022 | <ul class="simple"><br><li><p>Added information of linux group IDs</p></li><br></ul> |
| AC | Jul 2022 | <ul class="simple"><br><li><p>Added sample apps for crypto APIs</p></li><br></ul> |
| AB | Mar 2022 | <ul class="simple"><br><li><p>Addition of documentation for Call flow of control filesystem for ECALL operation</p></li><br></ul> |
| AA | Sep 2017 | <ul class="simple"><br><li><p>Addition of documentation for sensor self test APIs.</p></li><br><li><p>Addition of documentation for ECALL and OTA operation APIs</p></li><br><li><p>Added support for Xtra feature in location</p></li><br><li><p>Added telsdk data subsystem behavior details during SSR</p></li><br><li><p>Updated EFS APIs related information for platform subsystem</p></li><br><li><p>Updated thermal subsystem readiness flow for new methodology</p></li><br><li><p>Added documentation for remote SIM provisioning APIs</p></li><br><li><p>Added documentation for platform subsystem</p></li><br><li><p>Added documentation for sensor subsystem</p></li><br><li><p>Added documentation for data serving system features</p></li><br><li><p>Added documentation for audio subsystem readiness</p></li><br><li><p>Updated data subsystem readiness flow for new methodology</p></li><br><li><p>Added documentation for location simulation using stub libraries</p></li><br><li><p>Added documentation for L2TP feature</p></li><br><li><p>Added documentation for robust location APIs in location configurator</p></li><br><li><p>Added documentation for location configurator</p></li><br><li><p>Added documentation for firewall entry and socks proxy</p></li><br><li><p>Updated docs for firewall APIs</p></li><br><li><p>Added documentation for software bridge management</p></li><br><li><p>Added documentation for compressed audio format playback on voice path</p></li><br><li><p>Added documentation for data networking APIs</p></li><br><li><p>Added documentation for audio transcoding APIs</p></li><br><li><p>Update documentation for location concurrent reports and constraint time uncertainty</p></li><br><li><p>Added documentation for data filter feature</p></li><br><li><p>Added documentation for modem config APIs</p></li><br><li><p>Added documentation for compressed audio format playback</p></li><br><li><p>Added documentation for audio loopback and tone generator APIs</p></li><br><li><p>Added documentation for remote SIM feature</p></li><br><li><p>Added documentation for thermal shutdown manager APIs</p></li><br><li><p>Updated sample app as per location APIs changes</p></li><br><li><p>Added audio play, capture and DTMF generation sample apps</p></li><br><li><p>Added documentation for TCU activity management feature</p></li><br><li><p>Added sample app for using thermal manager</p></li><br><li><p>Added documentation for audio manager and voice call</p></li><br><li><p>Addition of C-V2X</p></li><br><li><p>Updated steps to build Yocto platform SDK for LE.UM.1.3.2</p></li><br><li><p>Added documentation for building Google test</p></li><br><li><p>Added sample apps for various data services</p></li><br><li><p>Added instruction for creating platform SDK using CAF</p></li><br><li><p>Added subscription feature</p></li><br><li><p>Initial Release</p></li><br></ul> |

Last Published: Aug 05, 2026

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