History of Samsung Galaxy in Timeline

By Popular Timelines Editorial Team · Updated: April 8, 2026

Samsung Galaxy is a line of mobile computing devices designed, manufactured, and marketed by Samsung Electronics starting in 2009. It encompasses a wide range of products, primarily smartphones and tablets, known for their use of the Android operating system and Samsung's custom One UI. The Galaxy series is a major competitor in the mobile device market, featuring high-end specifications, innovative features like foldable screens, and a broad ecosystem of accessories and services. Key aspects include the Galaxy S flagship phones, the Galaxy Note series (known for the S Pen stylus), and the Galaxy Tab tablets.

June 2009: Samsung Galaxy launched as first Android device

In June 2009, the Samsung Galaxy was launched as Samsung's first Android powered device.

2009: Samsung Galaxy series launched

In 2009, Samsung Electronics launched the Samsung Galaxy series of mobile computing devices.

2009: Initial release history of every Galaxy device

In 2009, the full initial release history of every Galaxy device was recorded.

2011: "Over the Horizon" introduced

In 2011, "Over the Horizon" was first introduced on the Galaxy S II as the trademark sound for Samsung smartphone devices, composed by Joong-sam Yun.

September 2013: Model number format change

Since September 2013, model numbers of devices in the Samsung Galaxy series are in the "SM-ABCDE" format (excluding the Galaxy J SC-02F, Galaxy Centura SCH-S738C, and SGH-N075T).

November 2014: Samsung Flow announced

In November 2014, Samsung Flow, a feature allowing content to be synced with a PC, was announced.

May 2015: Samsung Flow released in preview form

In May 2015, Samsung Flow was released in preview form.

2015: Galaxy devices branded in Japan

In 2015, Samsung Galaxy devices were branded as Galaxy in Japan.

May 2016: Samsung Flow final release

In May 2016, Samsung Flow was finally released.

2016: Galaxy TabPro S announced

In 2016, the Galaxy TabPro S, the first Samsung Galaxy-branded Windows 10 device, was announced at CES.

2017: TouchWiz replaced by Samsung Experience

In 2017, the TouchWiz interface was replaced by Samsung Experience on Samsung Galaxy devices.

2017: SIM card restrictions introduced with Galaxy S8 series

With the launch of the Galaxy S8 series in 2017, SIM card restrictions were introduced due to the use of Multi-CSC. AT&T SIM cards will not work on cellular-based Galaxy devices sold in Europe and other countries.