A channel disappears from your list. Some resellers keep it in the background, hoping it returns. Others delete it immediately.
The difference is retention policy.
Here's the operational choice. A British IPTV reseller can either hide broken channels (keep in database, mark as offline) or delete them entirely. Hiding preserves channel history, favorites, and numbering. Deleting requires re-adding everything if the channel returns.
What actually works for viewers is resellers who hide rather than delete. When a channel returns, it reappears in the same position with same number. No need to re-favorite or re-learn channel numbers.
I lost a favorite British IPTV channel when the reseller deleted it during an outage. When it returned a week later, it was at a different number with different name. Had to re-favorite everything. Frustrating.
The pattern that keeps showing up is that IPTV reseller UK operators who hide offline channels (rather than delete) provide better long-term user experience. Deletion is cleaner but more disruptive.
Honestly, ask your IPTV reseller UK what happens when a channel goes offline. "We hide it until it returns" is customer-friendly. "We delete it" means you'll re-add later.
That said, channels that never return clutter hidden lists. Periodic cleanup is reasonable.
In most cases, British IPTV resellers who hide offline channels respect your favorites and settings.