Let me start with an import warning. You upload a CSV to your IPTV panel. The panel auto-selects all fields. Wrong field mapping. Email goes to username. Username goes to notes. Your British IPTV panel's auto-select just corrupted your data. If you've ever had a bad import, start at British IPTV and IPTV reseller panel.
Auto-select on import is dangerous. Your IPTV reseller panel should require manual field mapping. Show you a preview. Let you confirm. Most panels don't. They guess. They guess wrong. You don't notice until after import. Your data is corrupted. You spend hours fixing it. Your provider chose convenience over safety.
I've watched a British IPTV reseller in Carnforth import 500 customers with wrong field mapping. His IPTV panel auto-selected. Emails went to usernames. Usernames went to notes. Notes went to expiry dates. Chaos. He spent 6 hours fixing the mess. He now uses a panel with manual field mapping and preview.
Let me give you a real example. Another reseller in Warton tests import mapping before buying any IPTV panel. He uploads a CSV. Does the panel let him map fields manually? Does it show a preview? One provider auto-selected with no preview. Another provider required manual mapping with preview. He chose the safe provider.
What actually works is demanding manual field mapping from your IPTV panel provider. If they won't add it, always preview your CSV structure before importing. Your data quality depends on correct field mapping.
The pattern that keeps showing up is this. British IPTV resellers with manual mapping have clean imports. Those with auto-select corrupt their data.
Honestly, auto-select on import is a disaster waiting to happen. Your IPTV reseller panel provider should require confirmation. If they don't, preview everything. Your customers' data depends on it.