Extracting esp32 image with esp32img tool
Install the requerments
sudo apt install python-pip sudo pip install esptool pyserial
Get esp32img tool
git clone https://github.com/othercrashoverride/odroid-go-firmware.git -b factory cd odroid-go-firmware/tools/esp32img
Extracting esp32 binary from your ODROID-GO
Connect your ODROID-GO to host PC via microUSB cable.
And then, run this command after the power switch on.
./esptool.py --port "/dev/ttyUSB0" --baud 921600 read_flash 0 0x800000 factory.bin
You can find the factory.bin
ls factory.bin
Make image to .img from .bin
./esp32img factory.bin
Write the image to your ODROID-GO
./esptool.py --port "/dev/ttyUSB0" --baud 921600 write_flash -z --flash_mode dio --flash_freq 80m --flash_size detect 0 factory.img
john1117