Download links:
The steps, as shown in the video:
1. Download the latest version.
2. Unpack hakchi-gui.
3. Copy new version, paste into old version. Overwrite existing files.
4. Start hakchi-gui.exe.
5. Connect SNESC to PC.
6. Hold RESET on your SNESC while turning it on.
7. Release the RESET button when you hear the USB connect sound.
Point your attention to hakchi-gui.
8. Click Flash kernel.
9. Click Rebuild kernel.
10. Click Memboot.
CONTINUING FROM THIS STEP IS OPTIONAL
11. Extract boot.png from downloaded .zip.
12. Place it in hakchi/ on your USB device.
13. Hook the SNESC up to OTG hub and boot.
If you can see a gray screen, congratulations. You've successfully updated hakchi-gui.
14. Replace boot.png with a splash screen of your own. Great success!