Samsung Galaxy S3 has eventually turned out to be most popular smartphone of 2012. The device has been launched in European and Asian markets, and is due to release in U.S. this month. We have heard a lot of rumors that T-Mobile Galaxy S3 is making its first stop on U.S. tour in New York on June 20. Now the carrier confirmed that the smartphone is releasing around at the same time, however one day later than the rumored date i.e. on May 21.

The carrier updated its website on Monday with a sign up page for Samsung Galaxy S3 quoting "AVAILABLE JUNE 21, 2012". Preorders are expected to go up soon through the same web page, while the handset is scheduled to go on sales starting June 21. There are no words yet on pricing yet, but the pricing for 16GB model of Samsung Galaxy S3 is said to be $199 as Verizon Wireless has quoted the same price with a 2-year contract.

Reportedly, Galaxy S3 is also hitting Sprint Nextel on May 21. While the release date at Verizon and AT&T is still unknown. However, preorder for the device on Verizon are said to go up on June 6, while the release date is still unannounced on the carrier. Verizon is offering the 16GB and 32GB models of Galaxy S3 for $199 and $249 respectively.

T-Mobile Galaxy S3 will receive the same Snapdragon treat as AT&T and Verizon Wireless despite the fact that carrier's LTE network is non-existent at the moment. The U.S. version of Galaxy S3 comes with dual-core Snapdragon processor clocked at 1.5 GHz. However, it has 2GB of RAM contrary to the 1.4GHz quad-core model of Galaxy S3 that has 1GB of RAM only.

The device has 4.8-inch HD display topped by second generation Corning Gorilla glass protection. Other feature of Samsung Galaxy S3 include 8-megapixel camera, Android 4.0 ICS, 2100 mAh removable battery, 50GB of free Dropbox storage and Near Field Communication (NFC).