Download and extract the CV512H_U50_1920x1080_ARTEL_DUMP.rar file. You should see a .bin or .img file. USB Update:
The standby light should begin blinking, indicating the update is in progress. Download CV512H U50 1920x1080 ARTEL DUMP rar
A "dump" file is often required when the TV is stuck on the logo, experiencing a "boot loop," or if the original software has been corrupted. Unlike standard OTA updates, this .rar or .bin file is used for low-level recovery. Download and extract the CV512H_U50_1920x1080_ARTEL_DUMP
If the TV does not respond to USB, professionals use an RT809H or similar programmer to write the dump directly to the memory chip. A "dump" file is often required when the
Copy the firmware file to the root of the USB drive (do not put it in a folder). Power off the TV and insert the USB drive.
Supports HDMI 1.4a, USB 2.0, and both Analog and Digital (DVB-T2/S2) tuners. Why You Need This File