The pre-order of Samsung Galaxy S9 begins from 2nd March 2018, and it's available in many countries.You can check it on Samsung's official website or from major carrirers in your country like Verizon, AT&T, Sprint, T-Mobile, etc. If you have old smart phones (specially Samsung, Apple, LG and Google phones), you can save up to $350 dollars. But if you lease your phone, you may not trade-in. Before placing your order, you can check and compare the prices in different countries by reading below.
infographic by: drfone.wondershare.com