Remove the SPI Flash chip (usually an 8-pin 25Qxx series) or use a clip. Back up the original (corrupt) dump.
After the update, perform a (press the reset pinhole for 10 seconds or choose “Restore Factory Defaults” in the GUI). This clears any residual settings from the old firmware. hktrt2861v09 firmware fixed
The (often found on the bottom of the device) Remove the SPI Flash chip (usually an 8-pin
Keep holding the power button until the standby indicator light begins to flash rapidly. On some models, an on-screen progress bar reading "Software Upgrading" or "Do Not Turn Off" will appear. hktrt2861v09 firmware fixed
While continuing to hold the Power button, plug the TV power cord back into the wall outlet.
⚠️ Backup current settings before updating (export config via Maintenance → Backup).