ESP32 Forum

Posted: **Thu Jun 13, 2019 12:18 am**

Does anyone know how to reload the factory image back on the dev kit? I would like to restore it back to stock, but have not been able to find the program/files for it.

Thanks,
Jeff

Posted: **Fri Jun 14, 2019 9:29 am**

I'm not sure if it's exactly the same but the esp32_azure_iot_kit example in the esp-iot-solution project look like the demo that runs on a stock ESP32-Azure IoT Kit.

See https://github.com/espressif/esp-iot-so ... adme_en.md

Posted: **Tue Jun 18, 2019 6:58 am**

fivdiAtESP32 wrote: ↑
Fri Jun 14, 2019 9:29 am
I'm not sure if it's exactly the same but the esp32_azure_iot_kit example in the esp-iot-solution project look like the demo that runs on a stock ESP32-Azure IoT Kit.

See https://github.com/espressif/esp-iot-so ... adme_en.md

Thank you. I wish it was more obvious to a beginner. I was able to rebuild it and get it installed on the board.

Posted: **Sat Aug 10, 2019 11:11 am**

Smalldog wrote: ↑
Tue Jun 18, 2019 6:58 am

fivdiAtESP32 wrote: ↑
Fri Jun 14, 2019 9:29 am
I'm not sure if it's exactly the same but the esp32_azure_iot_kit example in the esp-iot-solution project look like the demo that runs on a stock ESP32-Azure IoT Kit.

See https://github.com/espressif/esp-iot-so ... adme_en.md
Thank you. I wish it was more obvious to a beginner. I was able to rebuild it and get it installed on the board.

Hi
which problems you had?
if you are missing document or redame (en) or readme (cn) .

allways backup factory fw that comes out of the box if you flash with your own,
so you can restore allways to factory

Code: Select all

1MB Flash
esptool.py --p COM5 --baud 115200 read_flash 0x00000 0x100000 Backup_1MB.bin

2MB Flash
esptool.py --p COM5 --baud 115200 read_flash 0x00000 0x200000 Backup_2MB.bin

4MB Flash
esptool.py --p COM5 --baud 115200 read_flash 0x00000 0x400000 Backup_4MB.bin

8MB Flash
esptool.py --p COM5 --baud 115200 read_flash 0x00000 0x800000 Backup_8MB.bin

16MB Flash
esptool.py --p COM5 --baud 115200 read_flash 0x00000 0x1000000 Backup_16MB.bin

32MB Flash
esptool.py --p COM5 --baud 115200 read_flash 0x00000 0x200000 Backup_32MB.bin

feel free to change the COMPORT like you need for your OS and PORT#
further help about esptool you find in redame of the repo

best wishes
rudi

Posted: **Sun May 16, 2021 7:33 am**

Smalldog wrote: ↑
Thu Jun 13, 2019 12:18 am
Does anyone know how to reload the factory image back on the dev kit? I would like to restore it back to stock, but have not been able to find the program/files for it.

Thanks,
Jeff

The github link has expired. I need the factory image too. Do you know where I can get it?

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