AT&T appears to be the first US carrier offering the Samsung Galaxy S4 since accepting pre-orders has started on the network's official website. The latest smart phone from the South Korean technology giant is scheduled to arrive on April 30 at AT&T, May 1 with T-Mobile and May 30 in Verizon.

A leaked document was reportedly given to Engadget that shows the arrival schedule of the Samsung Galaxy S4 on AT&T at the end of this month. Furthermore, Engadget reports that customers with late pre-orders will receive the Galaxy S4 "on or before May 3 with two-day shipping."

AT&T has revealed as well the list of the Samsung Galaxy S4 prices. Current and future AT&T subscribers can acquire the Samsung Galaxy S4 16GB model at a price of $199.99 on a 2-year contract or $449.99 on a 1-year contract.

Customers can choose from the two available smart phone colors, Black Mist and White Frost. The unsubsidized Samsung Galaxy S4 is set at the price of $639.99.

However, the Samsung Galaxy S4 32GB version is not available in the AT&T offers. It was supposed to be offered to new customers at a price of $249.99 but no confirmation has been made.

Samsung Galaxy S4 has a 5-inch Full HD screen display with Super AMOLED technology powered with a quad-core Snapdragon 600 processor, 2GB of RAM, 1.9GHz Krait cores and Adreno 320 GPU. The smart phone runs on the Android 4.2.2 Jelly Bean operating system with all of the connectivity features available such as 4G LTE, Wi-Fi, NFC, Bluetooth 4.0 and an infrared port.

The Galaxy S4 also comes with a microSD card slot for memory storage expansion, Samsung's privately owned user interface called "Nature UX" and a 13MP sensor camera with LED flash, autofocus and Full HD video recording capability.

Meanwhile, Samsung recently launched the new advertisement campaign for its Galaxy smart phone and announced the arrival of two "Mega" smart phones scheduled for a release in the later part of 2013.