You're interested in learning more about the LMK5007UM firmware!
This was the official desktop software for updates. While it may still recognize the device, it often fails to find new firmware for "End of Life" (EOL) models. You can attempt to download it from the official LG Support site . lmk500um firmware full
You must match the firmware to your specific carrier sub-model to ensure the cellular radio works correctly. 🛠️ Pre-Installation Checklist You're interested in learning more about the LMK5007UM