What or visual symptom (e.g., solid red light, blinking blue light, endless loading circle) is displaying on your screen.
If the TV is stuck in a boot loop or on the logo screen, you can attempt a forced factory reset using the physical buttons:
: Insert the USB into the TV while it is powered off. Hold the Power button on the TV (not the remote) and plug it in. If the board detects the file, an "Upgrading" bar should appear. 2. Over-the-Air (OTA) Network Update
⚠️ : Do not shut down, unplug, or disconnect the power source during this deployment phase. Interrupting the process will permanently corrupt the eMMC flash memory module, resulting in a bricked motherboard. Step 4: Final Initialization
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or pull out the USB drive during this phase, as doing so will permanently destroy the flash memory chip.