
Samsung Galaxy Quantum4
The latest firmware for Samsung Galaxy Quantum4 (SM-A546S) is A546SKSSKFZI1 with Android 16, released on September 8, 2026 for 1 region (CSC). Every official firmware build for SM-A546S, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/A546SKSSKFZI1
SM-A546S started on Android 13 and has received 3 major Android upgrades; it now runs Android 16. The newest build, A546SKSSKFZI1, was released on September 8, 2026. Over the last 12 months SM-A546S received 11 builds, with a new build in 11 of those months, in line with Samsung's monthly security updates. Samsung guarantees security updates for this model until March 27, 2028.
Specifications of SM-A546B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

SM-A546W

SM-A530X

SM-A556S

SM-A536V

SM-A566U
The newest firmware for SM-A546S runs Android 16: build A546SKSSKFZI1, released on September 8, 2026.
The latest build for SM-A546S, A546SKSSKFZI1, was released on September 8, 2026 (1 month ago).
Over the last 12 months SM-A546S received 11 builds, with at least one new build in 11 different months.
Yes, all firmware files for SM-A546S are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A546S, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-A546S.