The Galaxy S4 is among the earliest phones to feature a 1080p Full HD display, 1080p front camera video recording, and among the few to feature temperature and humidity sensors and a touch screen able to detect a floating finger. The phone's successor, the Samsung Galaxy S5, was released the next year.
The T-Mobile version of the Galaxy S4, named the model ( SGH-M919), was released the same month. A hardware variant of the S4 became the first smartphone to support the emerging LTE Advanced mobile network standard (model number GT-i9506). It is the successor to the Galaxy S III, which maintains a similar design, but with upgraded hardware, more sensors, and an increased focus on software features that take advantage of its hardware capabilities-such as the ability to detect when a finger is hovered over the screen, and expanded eye tracking functionality, it was released the previous year. Sales and shippingThe Samsung Galaxy S4 is an Android smartphone produced by Samsung as the fourth smartphone of the Samsung Galaxy S series and was first shown publicly on March 14, 2013, at Samsung Mobile Unpacked in New York City.