Move the extracted file directly to the root directory of your USB drive (do not put it in a folder). Update Process: Turn off the TV and unplug the power cord. Insert the USB drive into the TV's USB port.
Flashing the wrong firmware can permanently brick your television. Always verify that your Mainboard Model (MS3458-U801) and Panel Number match the file exactly before proceeding. Download MS3458 U801 3840x2160 Cobia CLEDTV5517UHD rar
Once the progress bar reaches 100% or the LED stops flashing, the TV will reboot. Unplug the USB drive. Download Link Move the extracted file directly to the root
Press and hold the on the TV panel (not the remote). While holding the button, plug the power cord back in. Flashing the wrong firmware can permanently brick your
This is the stock firmware for the Cobia 55-inch Smart UHD TV. It is typically used for fixing software hangs, boot loops (stuck on logo), or resolving issues with the internal apps.