
RED
Phone · Galaxy S
Released May 2012 · 28 model codes · firmware for 339 CSC regions
Firmware is specific to the model code. Find yours on the box or in Settings › About phone, then pick it below.
One UI and Android versions of the Galaxy S III, with the first release of each.
Android 4
First firmware build: I9300XXALF5 (GT-I9300)
As published by Samsung for the GT-I9300; other model codes can differ (chipset, network bands).
Sold in 71 countries.