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The indicator light will typically blink to show the update is in progress. during this time.
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The standby LED should start blinking rapidly, indicating the update is in progress. The indicator light will typically blink to show
: If your TV is stuck on the logo or hanging during startup. tp.hv553.pc821 software download
Updating TV firmware carries a risk of "bricking" the device if the wrong resolution or panel file is used.