Apple has introduced a purchase limit for the iPhone Duo in the United States, restricting customers to a maximum of two units per order. The policy is enforced through the official website and the Apple Store application, which prevents users from completing transactions if the quantity exceeds the set threshold.

The implementation timeline remains unclear, as reports from Reddit users vary regarding when the restriction was applied. While some customers claim they were able to purchase four units previously, others report encountering the two-unit limit since the start of pre-orders. Apple has not issued a formal statement regarding the timing of this policy change.

This restriction aligns with existing practices in other regions, including China, Singapore, and Hong Kong, where the two-unit limit has been in place. In the US, the policy is not explicitly stated in advance but is triggered automatically when a user attempts to add more than two devices to their shopping cart.

The iPhone Duo has seen high demand since pre-orders opened, with initial stock selling out within minutes. Many customers faced delivery dates pushed to November or December. Apple is currently adjusting its supply chain and production capacity, leading to earlier estimated shipping dates for some existing orders.

Analysts suggest that the purchase limit is intended to curb scalping and unauthorized reselling of the device. By limiting the number of units per customer, Apple aims to ensure broader availability for its first foldable iPhone model as it works to increase production and reduce wait times for consumers in the coming weeks.