The Galaxy S25 shares the same design, specs, and cameras as the larger S25+ (starting at $999.99). Measuring 5.78 by 2.78 by 0.28 inches (HWD) and 5.71 ounces, the S25 is just slightly smaller than last year's S24 (5.

When you trade in your old phone with T-Mobile, you'll get it for free. New and existing customers can swap an old device in any condition for a new Galaxy S25+ for free, or use the credit for up to $1,000 off other models like the top-of-the-line Samsung Galaxy S25 Ultra (delivered as 24 monthly credits on your bill).