Samsung Galaxy S20

The Samsung Galaxy S20 is a series of Android-based smartphones developed, manufactured, and marketed by Samsung Electronics as part of its flagship Galaxy S series. They collectively serve as the successor to the Galaxy S10 series. The first three smartphones (Galaxy S20, Galaxy S20+, and the Galaxy S20 Ultra) were unveiled at Samsung's Galaxy Unpacked event on February 11, 2020 alongside Galaxy Z Flip, and they were released in the United States on March 6, 2020 and in Europe on March 13, 2020. The Galaxy S20 FE, was first announced on September 23, 2020, and released on October 2, 2020.

It is the first smartphone lineup to receive USB fast-charger certification from the USB Implementers Forum (USB-IF). In May, a rugged variant for military use named the "Tactical Edition" was released.

The Galaxy S20 was succeeded by the Galaxy S21, which was announced on January 14, 2021. In April 2022, following the release of its new flagship, the Galaxy S22, Samsung released a refreshed version of the Galaxy S20 FE known as the Galaxy S20 FE 2022, which has the same processor as the Galaxy S20 series. It has 6 GB of RAM and 128 GB of internal storage and ships with One UI 4 based on Android 12.

The title of the phone was originally presumed to be the Galaxy S11, due to it being the logical extension from its predecessor, the Galaxy S10. However, successive leaks in January 2020 revealed the title of the phone to be named the Galaxy S20, because it was released in the year 2020.

Leaker Max Weinbach obtained the actual phone a month before the release, confirming the leaks, and that by February, "almost everything the company is planning to introduce has already leaked out." In addition to charts on the phone's specifications, marketing material and images of the phones themselves in real life were leaked.

The Galaxy S20 series has a design similar to the Samsung Galaxy Note 10, with an Infinity-O display containing a circular punch-hole in the top center this time for the frontal selfie camera.

In a departure from past Galaxy S designs (except the S10 Lite where it has the camera at the left), the rear camera array is not centered, but located in the corner with a rectangular protrusion similar to that of the iPhone 11, Google Pixel 4 and past Samsung flagships such as the Note 10, Galaxy S and the original Samsung Galaxy. The S20 and S20 FE houses three cameras while the S20+ has four cameras in the bump, while the S20 Ultra houses four cameras in a larger bump.

In June 2020, Verizon released the Galaxy S20 5G UW (Ultra Wideband). Differences from the S20 include the addition of mmWave, only 8 GB of RAM (compared to the usual 12 GB), and no microSD slot. Moreover, Samsung released the Galaxy S20+ 5G BTS Edition in the summer of 2020, with the color "Haze Purple."