Updating firmware is risky. If the power is interrupted or the file is incorrect, the TV may not turn on again. for your TV model?
The LED backlights turn on, and audio might work, but no graphical user interface is visible. Cv338h-a32 Software Download %7CTOP%7C
Keep holding the power button until you see the indicator light (LED) start blinking rapidly, or an "Upgrading Software" progress bar appears on the screen. Once the process starts, release the power button. Step 6: Reboot Updating firmware is risky
Obtain the correct firmware for your panel resolution and re‑flash using the emergency method. In some cases, you can flash the “high‑resolution screen parameter” file over a low‑resolution base program to correct the issue. and audio might work
