If the USB method fails, the eMMC chip must be desoldered and flashed with the firmware image (User and ExtCSD partitions) using a programmer. Official Resources

Attempt a standard software update via USB first.

The file is a compressed archive containing firmware for the DNS 42AK9000 Smart TV . This specific firmware is intended for units using the 35019017 mainboard and is used for software restoration via USB or direct eMMC flashing. Technical Specifications & Components Mainboard: Konka 35019017 .

For official drivers and documentation, you can visit the DNS Support Page for the 42AK9000 model.

Mstar MSD6369IV (32-bit SoC with 1 ARM core and 1080p Full HD GPU).

4GB THGBM5G5A1JBAIR eMMC and Winbond W25Q16DVS Spi Flash.

KPS-L090C2 (utilizing TEA1733 and 4N60L chips). Flashing & Recovery Process