Usually found on specialty electronics forums or firmware repositories like Khandish Network or specialized Daewoo technical sites.
If the USB method doesn't work, you must use a programmer (like RT809F/RT809H) to write the dump directly to the flash IC. Download TSUMV59 T8C1 1366x768 Daewoo Backup Dump rar
TSUMV59-T8C1-1366x768-Daewoo-Backup-Dump.rar (or similar .bin file). Resolution: Platform: TSUMV59 T8C1. Usually found on specialty electronics forums or firmware