一般是接线问题，或者串口工具配置问题。我们所有发布的固件，都是经过多轮测试、成千上万个 testcases，覆盖了多个硬件。因此固件本身不太可能出问题。

如果可能的话，烦请提供一下具体的固件下载地址，以及您的硬件接线。

请参考 下载指导：https://espressif-docs.readthedocs-host ... e.html#id1

请提供具体的 AT 命令顺序，AT 日志，AT 版本（发送 AT+GMR 命令获取），以及可能的具体问题描述。

ESP-AT 不支持 ESP32-S3，您可能要将问题提到对应的 bbs 板块。

could you please try to change `--sector_size 4096` to `--sector_size 512`, and test again.

And if the issue still exists, i would like to look into it if you can push your reproduce code to GitHub.

same to https://github.com/espressif/esp-at/issues/778

ESP-AT does not support to compile by the Visual Studio Code IDE. you have to follow the guide: https://docs.espressif.com/projects/esp ... le_it.html
> you can browse the code by he VS code IDE.

please know.

could you please provide more details. have you followed the guide: https://docs.espressif.com/projects/esp ... le_it.html

If this can not fix your issue, please provide all the logs and steps you did.

1. I understand that I can install only the: factory_MINI-1.bin And this is instead of installing all the other binaries. I am right? > you can choose different firmwares according to your module/chip. ESP-AT has released firmwares for ESP32-C6, ESP32-C3, ESP32-C2, ESP32, and ESP8266. > You can comp...

请参考：https://docs.espressif.com/projects/esp ... 32-sdio-at