S942U1UES4AZH5 – Galaxy S26 firmware

Build S942U1UES4AZH5 is a security update for the Galaxy S26 (SM-S942U1) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 31, 2026 (method) and has reached 14 regions so far. It keeps bootloader bit 4, so downgrading to the previous build S942U1UES4AZG3 is still possible. Samsung still serves this file.

Model
SM-S942U1
Android
Android 16
Type
Security
Bootloader bit
4
First released
Aug 31, 2026
Regions
14

Rollout timeline by region

The date each region code (CSC) first received S942U1UES4AZH5, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
AIOUSA (Cricket)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
ATTUSA (AT&T)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
CCTUSA (Comcast)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
DSAUSAAug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
DSHUSAAug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
LRAUSA (Bluegrass)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
TFNUSA (TracFone)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
TMBUSA (T-Mobile)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
TMKUSA (MetroPCS)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
USCUSA (US Cellular)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
VZWUSA (Verizon)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
XAAUSA (unlocked)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5
XARUSA (Cellular South)Aug 31, 2026day 0S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5

Download and release notes

samloader download -m SM-S942U1 -r XAA -v S942U1UES4AZH5/S942U1OYM4AZH5/S942U1UES4AZH5

Samsung's release notes and security patch level for this update: SM-S942U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode S942U1UES4AZH5.