USB upgrade started... Reading UPD header... Erasing system partition... Writing kernel... OK Writing rootfs... OK Update complete. Rebooting in 5 seconds.
While continuing to hold the physical Power Button, plug the power cord back into the wall outlet or switch the main power on.
: Firmware files for these boards are often found on technician forums or sites like Kazmi Elecom DeviceAtlas Do you need help finding the specific firmware version for your screen resolution? cvte msd338 512m update upd
If your TV cannot boot to the standard Android TV settings interface to select an "On-screen System Update," you must use the hard-flash USB method: Step 1: Format the USB Drive
Hold the physical power button on the TV and plug in the power cord. USB upgrade started
The file (Update Package Data) is the proprietary firmware format for MStar/MediaTek chipsets. It is not a simple ZIP or BIN file. Instead, it contains:
He spent hours scouring obscure FTP servers and forums written in languages he didn't speak. Finally, he found it: MSD338_512M_UPDATE.upd . Writing kernel
The screen might remain black, or you might see an "Upgrading software" message on a blue background. Do not interrupt the process. Updating can take anywhere from 3 to 15 minutes, depending on the eMMC's write speed.
If after an update the projector shows no sign of life (no LED, no backlight):