You can check the KONKA Download Center or contact KONKA Global Customer Service to request the specific file for your model.
If your TV still boots, the easiest method is to go to Settings > Check Internet for Update ; the process usually takes about 30 minutes. Download RT2968P61 1920x1080 Konka LED43G300 part01 rar
If you are seeking firmware to fix a software glitch (like freezing or boot loops), try a hard reset first: Unplug the TV from the wall. Hold the physical on the TV for 10 seconds. Plug it back in and turn it on to clear temporary glitches. Product Download - KONKA Global You can check the KONKA Download Center or