If you're interested in accessing JTBC content, here are some recommendations:
The primary method of finding JTBC M3U8 links involves searching for . Users often compile and share links to various channels, including JTBC and other Korean networks, although these are often of inconsistent quality. For instance, one example of such a link found online is https://api3.mp4.to/static/downloads/0f5a931e-9ed3-4848-aabe-a1cfc3d23db7/jtbc4.m3u8 . jtbc m3u8 link
Many developers maintain updated lists of free-to-air international channels. Search for "IPTV South Korea GitHub". If you're interested in accessing JTBC content, here