E546BXXSBEZB4 – Galaxy F54 5G firmware

Build E546BXXSBEZB4 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 Mar 11, 2026 (method) and has reached 2 regions so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to E546BXXSAEZA5 is blocked. Samsung still serves this file.

Model
SM-E546B
Android
Android 16
Type
Security
Bootloader bit
11
First released
Mar 11, 2026
Regions
2

Rollout timeline by region

The date each region code (CSC) first received E546BXXSBEZB4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaMar 11, 2026day 0E546BXXSBEZB4/E546BODMBEZB4/E546BXXSBEZB4
NPBNepalMar 11, 2026day 0E546BXXSBEZB4/E546BODMBEZB4/E546BXXSBEZB4

Download and release notes

samloader download -m SM-E546B -r INS -v E546BXXSBEZB4/E546BODMBEZB4/E546BXXSBEZB4

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 E546BXXSBEZB4.