HOWTO recovery eMMC from SD Boot
This wiki page explains the instructions for recovering emmc through sd card in case eMMC cannot boot.
You can download a pre-built recovery image.
Download Recovery Image
Run Recovery Process
1. Write sdcard_recovery.img to a blank sd card
Once you download the file, flash it to a microSD card with Etcher or 'dd' command something like this.
$ sudo dd if=sdcard_recovery.img of=<device/path/of/your/card> conv=fsync $ sync
2. Boot from SD card
Insert the SD card into the SD slot of GO Utra board and turn the system power on while keep pressing the recovery switch on the rear side.
Then, You can boot into recovery mode and connect the device storage to your PC.
3. Connect to PC and Installing OS Image
If you have connected odroid-gou to your PC, refer to the page below for the process of installing the OS image.
HOWTO install OS_Image
justin