S721U1UEUEEZIF – Galaxy S24 FE firmware

Build S721U1UEUEEZIF is a feature update for the Galaxy S24 FE (SM-S721U1) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 12, 2026 (method) and has reached 14 regions so far. It keeps bootloader bit 14, so downgrading to the previous build S721U1UESEDZI1 is still possible. Samsung still serves this file.

Model
SM-S721U1
Android
Android 17
Type
Feature
Bootloader bit
14
First released
Oct 12, 2026
Regions
14

Rollout timeline by region

The date each region code (CSC) first received S721U1UEUEEZIF, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
AIOUSA (Cricket)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
ATTUSA (AT&T)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
CCTUSA (Comcast)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
DSAUSAOct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
DSHUSAOct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
LRAUSA (Bluegrass)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
TFNUSA (TracFone)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
TMBUSA (T-Mobile)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
TMKUSA (MetroPCS)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
USCUSA (US Cellular)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
VZWUSA (Verizon)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
XAAUSA (unlocked)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF
XARUSA (Cellular South)Oct 12, 2026day 0S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF

Download and release notes

samloader download -m SM-S721U1 -r XAA -v S721U1UEUEEZIF/S721U1OYMEEZIF/S721U1UEUEEZIF

Samsung's release notes and security patch level for this update: SM-S721U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode S721U1UEUEEZIF.