A546U1UEUJFZEA – Galaxy A54 5G firmware

Build A546U1UEUJFZEA is a feature update for the Galaxy A54 5G (SM-A546U1) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 8, 2026 (method) and has reached 13 regions so far. It keeps bootloader bit 19, so downgrading to the previous build A546U1UESJEZE2 is still possible. Samsung still serves this file.

Model
SM-A546U1
Android
Android 16
Type
Feature
Bootloader bit
19
First released
Jun 8, 2026
Regions
13

Rollout timeline by region

The date each region code (CSC) first received A546U1UEUJFZEA, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
AIOUSA (Cricket)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
ATTUSA (AT&T)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
CCTUSA (Comcast)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
DSAUSAJun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
DSHUSAJun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
LRAUSA (Bluegrass)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
TMBUSA (T-Mobile)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
TMKUSA (MetroPCS)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
USCUSA (US Cellular)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
VZWUSA (Verizon)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
XAAUSA (unlocked)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA
XARUSA (Cellular South)Jun 8, 2026day 0A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA

Download and release notes

samloader download -m SM-A546U1 -r XAA -v A546U1UEUJFZEA/A546U1OYMJFZEA/A546U1UEUJFZEA

Samsung's release notes and security patch level for this update: SM-A546U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode A546U1UEUJFZEA.