High network congestion can lead to negative scores in objective testing.
This is the killer feature. "Extra Quality" typically refers to: iptv zaman now extra quality
Ask for a 24-hour free trial of the "Extra Quality" tier to test stability during your local peak hours (e.g., 8 PM–11 PM) and to verify they actually have 4K channels with low ping to your location. High network congestion can lead to negative scores