Handset makers may be significantly affected by the carriers’ shift from subsidized to full price smartphone purchases, The Wall Street Journal reports, with Apple’s iPhone singled out as a device that could see significant harm. T-Mobile’s ‘Uncarrier’ no-contract initiatives did not go unseen in the U.S., with competitors looking to adapt their offers as well. T-Mobile replaced handset subsidies – which offered users the ability to purchase new devices for lower price, as long as they agreed to ink a costly two-year agreement – with a new purchase model that allows buyers to choose a cheaper service plan with a new handset, and pay for the device separately in installments over a certain period of time. Because Apple’s iPhone is