This document describes another upgrade instruction for Eunhasu which is not able to upgrade by upgrade page. There are 3 ways to upgrade. First, Samba. It is for Windows file sharing protocol. You can access \\eunhasu\mwdata\music in windows file explorer if you used sMS-200. Second, USB memory stick. It is internal debug mode. several conditions should be matched to upgrade. Finally, imageUSB utility. This is external application to write entire image to SD card.

By samba share

Download upgrade-last.tar file from server

sMS-200

Copy upgrade-last.tar to Eunhasu samba directory \\eunhasu\mwdata\music

Eunhasu page load like http://eunhasu/upgrade.php?upgrade_server=eunhasu/music&force=1

upgrade_server={EUNHASU_IP}/music is possible

By USB

Format USB to FAT32

Change USB label to SOTMDEBUG and it must upper case

Download upgrade-last.tar file from server

sMS-200

Copy downloaded upgrade-last.tar to the USB root directory

Make file named run_debug.txt in the USB

run_debug.txt file must contain following strings

upgrade force

Remove whole inserted USB stick on sMS-200

Insert SOTMDEBUG USB to sMS-200

On working, blinking left LED

After finish, device shows left LED off

By external utility

sMS-200 - Refer Here