Depending on whether your TV can still boot, you can use one of these features: : Turn off and unplug the TV. Insert the USB drive into the USB 2.0 port .
For firmware, downloading a multi-part file like "part10.rar" typically means you are using a split archive. To use this feature properly, you must download all parts (Part 1 through Part 10) into the same folder on your computer and extract only the first part to get the final firmware file. Critical Features for Using Split Firmware
: Use a tool like WinRAR or 7-Zip to right-click on part01.rar . If all parts (including part10) are present, it will automatically combine them into a single .img or .pkg file. Download RTD2841 TCL UnionTV Firmware part10 rar
While holding the button, plug the TV back in. Release the button only when the LED starts blinking or the "Upgrading" screen appears. :
Press and on the TV (not the remote).
: Once extracted, you must format your USB drive to FAT32 . Copy the extracted firmware file (often named Update.img or a similar .bin file) directly to the root directory (not inside any folders). Installation Methods for RTD2841
Select to browse the USB drive for the firmware file. Where to Safely Find Firmware Depending on whether your TV can still boot,
Navigate to > Device Preferences > About > System Update .