S546VLUDSOFZI2 – Galaxy A54 5G firmware

Build S546VLUDSOFZI2 is a security update for the Galaxy A54 5G (SM-S546VL) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 24, 2026 (method) and has reached 1 region so far. It raises the bootloader bit from 23 to 24: once installed, the device no longer accepts firmware with bit 23 or lower, so a downgrade to S546VLUDSNFZH3 is blocked. Samsung still serves this file.

Model

SM-S546VL

Android

Android 16

Type

Security

Bootloader bit

24

First released

Sep 24, 2026

Regions

1

Rollout timeline by region

The date each region code (CSC) first received S546VLUDSOFZI2, counted from the first release.

Download and release notes

samloader download -m SM-S546VL -r TFN -v S546VLUDSOFZI2/S546VLTFNOFZI2/S546VLUDSOFZI2

Samsung's release notes and security patch level for this update: SM-S546VL / TFN on doc.samsungmobile.com. What each part of the build number means: decode S546VLUDSOFZI2.