The most reliable way to watch the channel on mobile is through the official Kanal 5 Mobile App.
Besides the official source, several Macedonian streaming portals aggregate local channels for mobile viewing. kanal 5 sitel vo zivo mobile
Android users have even more flexibility: The most reliable way to watch the channel
Data Saving: In the video player settings (often a gear icon), lower the resolution from 1080p to 480p or 360p if you are on a cellular connection. Cost: The app is generally free to download