: You cannot extract part02.rar alone. Search for the complete set (part01, part02, etc.) on technician resource sites like High Tech Info or dedicated firmware blogs.
The software for the is typically available through firmware repositories or specialized technician forums rather than a direct manufacturer portal. Because these files are often split into multiple RAR parts (e.g., part01, part02) to manage file size, you must download all parts and place them in the same folder before extracting. Download and Installation Steps
: Before installing, confirm your TV's motherboard number (often printed on the PCB, e.g., CV338H-A50 ). Installing software for a different board can "brick" your TV. Prepare USB Drive :
Format a USB flash drive (8GB or less recommended) to . Extract the downloaded RAR files using WinRAR or 7-Zip.
Press and hold the or OK button on the TV (not the remote) and then turn on the main power switch.
The TV should enter "Software Upgrading" mode. Release the button and wait for the process to reach 100%. Alternative: System Update
Go to > Device Preferences > About > System Update .
Copy the firmware file (usually named upgrade_loader.pkg or similar) to the of the USB drive—do not put it in a folder. Install via USB : Turn off the TV and plug the USB drive into a USB port.
: You cannot extract part02.rar alone. Search for the complete set (part01, part02, etc.) on technician resource sites like High Tech Info or dedicated firmware blogs.
The software for the is typically available through firmware repositories or specialized technician forums rather than a direct manufacturer portal. Because these files are often split into multiple RAR parts (e.g., part01, part02) to manage file size, you must download all parts and place them in the same folder before extracting. Download and Installation Steps
: Before installing, confirm your TV's motherboard number (often printed on the PCB, e.g., CV338H-A50 ). Installing software for a different board can "brick" your TV. Prepare USB Drive :
Format a USB flash drive (8GB or less recommended) to . Extract the downloaded RAR files using WinRAR or 7-Zip.
Press and hold the or OK button on the TV (not the remote) and then turn on the main power switch.
The TV should enter "Software Upgrading" mode. Release the button and wait for the process to reach 100%. Alternative: System Update
Go to > Device Preferences > About > System Update .
Copy the firmware file (usually named upgrade_loader.pkg or similar) to the of the USB drive—do not put it in a folder. Install via USB : Turn off the TV and plug the USB drive into a USB port.