If you haven't been able to get yourself an iPhone Duo , and you'd rather not wait for different retailers and carriers to get them back in stock, I have some good news — and some bad news. The good news is that Apple has confirmed some walk-in customers will be able to buy an iPhone Duo on launch day (October 23). The bad news is that supply will be limited.

Apple confirmed this to MacRumors , with a spokesperson reiterating that some countries will be able to sell iPhone Duo units to walk-in customers — meaning those people who do not have a valid pre-order or confirmed collection booked.

"On Friday morning, our teams look forward to welcoming customers at Apple Stores to experience iPhone Duo and the incredible iPhone line-up for themselves," the statement reads.…