Samsung Gravity series

The Samsung Gravity series of mobile phones includes:


 * Samsung Gravity, released November 7, 2008
 * Samsung Gravity 2, released in August 2009
 * Samsung Gravity 3, released in June 2010
 * Samsung SGH-T669 (known as the "Gravity T" or "Gravity Touch"), a feature phone also released in June 2010
 * Samsung Gravity Smart, an Android smartphone released June 22, 2011
 * Samsung Gravity TXT, a feature phone released in August 2011