Last week, Samsung delivered December security patch to the Galaxy Watch 5 series Wi-Fi only variants. Now, it has expanded December security update to the LTE variants. The users of Galaxy Watch 5 LTE & Watch 5 Pro LTE can download it from the Galaxy Wearable app.
The new firmware is R905NKOU1BWL1 and it is 572MB in size. The file size is bigger than usual, but there is nothing new in the uploaded file. It is spotted in South Korea for now. To install it, go to Galaxy Wearable app, and head to Watch Software Update.