Why did LG play pass the parcel with our repaired TV?

It insists it’s out for delivery but the courier says it doesn’t have itI bought an LG television around Christmas last year and recently it developed a fault. I contacted LG several times and, eventually, it admitted a repair was needed and arranged to collect it. Just under a week later I was told it had been repaired and would be delivered the next day but it was not. This is where the problems began. The courier claims it was never entered in its network, while LG keeps telling m