S942USQS4AZH5 – Galaxy S26 firmware

Build S942USQS4AZH5 is a security update for the Galaxy S26 (SM-S942U) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 30, 2026 (method) and has reached 9 regions so far. It keeps bootloader bit 4, so downgrading to the previous build S942USQS4AZG3 is still possible. Samsung still serves this file.

Model
SM-S942U
Android
Android 16
Type
Security
Bootloader bit
4
First released
Aug 30, 2026
Regions
9

Rollout timeline by region

The date each region code (CSC) first received S942USQS4AZH5, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
VZWUSA (Verizon)Aug 30, 2026day 0S942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5
CCTUSA (Comcast)Aug 30, 2026day 0S942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5
AIOUSA (Cricket)Aug 30, 2026day 0S942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5
ATTUSA (AT&T)Aug 30, 2026day 0S942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5
TMBUSA (T-Mobile)Aug 31, 2026+1 dayS942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5
TMKUSA (MetroPCS)Aug 31, 2026+1 dayS942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5
USCUSA (US Cellular)Aug 31, 2026+1 dayS942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5
DSAUSASep 1, 2026+2 daysS942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5
DSHUSASep 1, 2026+2 daysS942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5

Download and release notes

samloader download -m SM-S942U -r VZW -v S942USQS4AZH5/S942UOYN4AZH5/S942USQS4AZH5

Samsung's release notes and security patch level for this update: SM-S942U / VZW on doc.samsungmobile.com. What each part of the build number means: decode S942USQS4AZH5.