OnePlus has completely sold out of its Oneplus 5 handsets. A visit to the company’s website shows that the OnePlus 5 is “out of stock,” including both the model with 6GB of RAM and 64GB of storage ($479), and the more expensive SKU with 8GB of RAM and 128GB of storage ($539). There is no mention of when or even if more stock will be available,

Source: Hot Hardware – OnePlus 5 Goes Out Of Stock, Immediately Sparking OnePlus 5T Rumors