The Samsung Galaxy S III (unofficially known as the Samsung Galaxy S3) is an Android smartphone designed, developed, and marketed by Samsung Electronics. Launched in 2012, it had sold more than 80 million units overall, making it the most sold phone in the S series. It is the third smartphone in the Samsung Galaxy S series.
It has additional software features, expanded hardware, and a redesigned physique from its predecessor, the Samsung Galaxy S II, released the previous year. The "S III" employs an intelligent personal assistant (S Voice), eye-tracking ability, and increased storage. Although a wireless charging option was announced, it never came to fruition. However, there are third party kits which add support for Qi wireless charging. Depending on country, the smartphone comes with different processors and RAM capacity, and 4G LTE support. The device was launched with Android 4.0.4 "Ice Cream Sandwich", was updated to Android 4.3 "Jelly Bean", and can be updated to Android 4.4.2 "KitKat" on variants with 2 GB of RAM. The phone's successor, the Samsung Galaxy S4, was announced on 14 March 2013 and was released the following month.
Following an 18-month development phase, Samsung unveiled the S III on 3 May 2012. The device was released in 28 European and Middle Eastern countries on 29 May 2012, before being progressively released in other major markets in June 2012. Prior to release, 9 million pre-orders were placed by more than 100 carriers globally. The S III was released by approximately 300 carriers in nearly 150 countries at the end of July 2012. More than 20 million units of the S III were sold within the first 100 days of release and more than 50 million until April 2013.
The S III was well-received commercially and critically, with some technology commentators touting it as the "iPhone killer". In September 2012, TechRadar ranked it as the No. 1 handset in its constantly updated list of the 20 best mobile phones, while Stuff magazine likewise ranked it at No. 1 in its list of 10 best smartphones in May 2012.