Samsung Galaxy Quantum6

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-A566SSold inSouth KoreaFirmware1 CSC · 17 buildsLatest buildA566SKSUADZJ1 · Oct 1, 2026→

One UI and Android versions of the Galaxy Quantum6, with the first release of each.

1. Oct 2026

   Android 17

   First firmware build: A566SKSUADZJ1 (SM-A566S)

2. Sep 2025

   Android 16

   First firmware build: A566SKSU2BYI5 (SM-A566S)

3. Jun 2025

   Android 15

   First firmware build: A566SKSU1AYFB (SM-A566S)