I had the same with two unopened Samsung Watch4, collected via DPD only to arrive at Samsung empty opened boxes.
Samsung did not want to know, DPD the same, Barclaycard helped dispute, i thought it was in my favour 9 mths later i asked and was told no progress was made, so out of pocket.
Sadly you are stuck and it becomes an endless circle of everyone saying not their issue.
Home you have better success than me.
@Bee65: I'm really sorry to hear that you have encountered this issue with your delivery. We have a process in place to deal with lost and stolen items while in transit therefore, if you haven't already done so, please reach out to our Help Desk to report the issue, and an advisor will be able to assist you further.