Samsung Galaxy Quantum5

Firmware is specific to the model code. Find yours on the box or in Settings › About phone, then pick it below.

ModelSold inFirmwareLatest build

SM-A556SSold inSouth KoreaFirmware1 CSC · 26 buildsLatest buildA556SKSSBDZI1 · Sep 7, 2026→

One UI and Android versions of the Galaxy Quantum5, with the first release of each.

1. Sep 2025

   Android 16

   First firmware build: A556SKSU6CYI6 (SM-A556S)

2. Apr 2025

   Android 15

   First firmware build: A556SKSU4BYD9 (SM-A556S)

3. Jul 2024

   Android 14

   First firmware build: A556SKSU1AXG3 (SM-A556S)