Paired with the M3U playlist guide.
A web address, often ending in .m3u or .m3u8, that loads your full channel list.
In your player app's 'add playlist' screen, under the M3U or playlist URL option.
Check the link was copied in full and that your device is connected to the internet.
Both usually point to the same subscription; use whichever your app and login details support.
Quick answers
- Does the M3U link expire?
- It's tied to your active subscription period, the same as Xtream Codes login.
Conclusion
Adding an M3U playlist is a one-field process once you have the correct link — most issues come down to an incomplete copy-paste.