E546BXXSCEZD3 – Galaxy F54 5G firmware

Build E546BXXSCEZD3 is a security update for the Galaxy F54 5G (SM-E546B) on Android 16 (One UI 8). It first appeared on Samsung's servers on May 4, 2026 (method) and has reached 2 regions so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to E546BXXSBEZB4 is blocked. Samsung still serves this file.

Model
SM-E546B
Android
Android 16
Type
Security
Bootloader bit
12
First released
May 4, 2026
Regions
2

Rollout timeline by region

The date each region code (CSC) first received E546BXXSCEZD3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaMay 4, 2026day 0E546BXXSCEZD3/E546BODMCEZD3/E546BXXSCEZD3
NPBNepalMay 4, 2026day 0E546BXXSCEZD3/E546BODMCEZD3/E546BXXSCEZD3

Download and release notes

samloader download -m SM-E546B -r INS -v E546BXXSCEZD3/E546BODMCEZD3/E546BXXSCEZD3

Samsung's release notes and security patch level for this update: SM-E546B / INS on doc.samsungmobile.com. What each part of the build number means: decode E546BXXSCEZD3.