"Bitrate too high for device." Your seller's stream is 20 Mbps. Your device can only handle 10 Mbps. The stream won't play. Your seller doesn't offer lower bitrate alternatives.
Here's a short relatable scenario: adaptive bitrate (ABR) offers multiple quality levels. A British IPTV reseller with ABR lets your device choose. A seller without ABR forces one bitrate — either too high for old devices or too low for good ones.
In most cases, a good seller's streams have 3-5 bitrate variants. A bad seller's streams have 1. A terrible seller's one variant is too high for most devices.
What actually works is asking: "How many bitrate variants do you offer per channel?" A good IPTV reseller UK says "3-5." A bad seller says "just one — it's adaptive" — which is a contradiction.
Let me give you a real example. A user's British IPTV buffered constantly. The seller's only bitrate was 15 Mbps. The user's connection was 12 Mbps. The seller refused to add lower bitrates.
Most operators find that multiple bitrates are standard. Single-bitrate streaming is obsolete.