The Samsung Galaxy S9 Dual SIM is an incredible phone with a brilliant camera and all the features and functionalities you would want and expect from a top-of-the-range smartphone. Discover Galaxy S9 and S9+ and the revolutionary camera that adapts like the human eye. The in-house team at 4Gadgets fully test all refurbished and second hand Samsung handsets to grade their physical condition before they are listed on the website. All phones listed are fully-functioning ? just at a much cheaper price than buying it brand new! The Samsung Galaxy S handsets...