Getting a specific from December 21, 2022, is tricky because these codes—which typically consist of a Portal URL and a MAC Address —are usually temporary. Most free codes expire within 24 to 48 hours or have a user limit that causes them to stop working shortly after they are posted.
Creators often post "Daily STBEMU" videos with active links in the descriptions. How to Set Up a Code in STBEMU FREE USA STBEMU CODE 21/12/2022
and go to Settings (top right corner or long-press the "OK" button). Getting a specific from December 21, 2022, is
Select and click on the default profile (or create a new one). Getting a specific from December 21
Select and change it to match the specific MAC address provided with your code.
Many "Free IPTV" channels post daily MAC addresses and portal URLs.