Released Firmware

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It is recommended to use the lastest version of firmware. Currently, Espressif releases AT firmware for the following ESP32-S2 series of modules.

Note

• If you are unsure whether your module can use the default AT firmware, please read the ESP-AT Firmware Differences document first. This document compares the differences among different ESP32-S2 AT firmwares in terms of supported command sets, hardware configurations, and module compatibility, helping you confirm if your module’s hardware configuration is suitable for using the default AT firmware.

• If you need to modify the following configurations, you can generate a new firmware by modifying the AT firmware using the at.py Tool.

  • Modify UART Configuration

  • Modify Wi-Fi Configuration

  • Modify Certificate and Key Configuration

Disclaimer

Before using the AT firmware below, please read the Disclaimer carefully and comply with its terms and precautions.

ESP32-S2-MINI Series

• v3.4.0.0 ESP32-S2-MINI-AT-V3.4.0.0.zip (Recommended)

Subscribe to AT Releases

Please refer to the Subscribe to AT Releases documentation to subscribe to our version release notifications and stay updated on the latest releases.

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