S942USQS4BZIG – Galaxy S26 firmware

Build S942USQS4BZIG is a security update for the Galaxy S26 (SM-S942U) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 7, 2026 (method) and has reached 9 regions so far. It keeps bootloader bit 4, so downgrading to the previous build S942USQU4BZID is still possible. Samsung still serves this file.

Model
SM-S942U
Android
Android 17
Type
Security
Bootloader bit
4
First released
Oct 7, 2026
Regions
9

Rollout timeline by region

The date each region code (CSC) first received S942USQS4BZIG, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CCTUSA (Comcast)Oct 7, 2026day 0S942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG
VZWUSA (Verizon)Oct 7, 2026day 0S942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG
AIOUSA (Cricket)Oct 7, 2026day 0S942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG
ATTUSA (AT&T)Oct 7, 2026day 0S942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG
TMBUSA (T-Mobile)Oct 8, 2026+1 dayS942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG
TMKUSA (MetroPCS)Oct 8, 2026+1 dayS942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG
USCUSA (US Cellular)Oct 8, 2026+1 dayS942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG
DSAUSAOct 9, 2026+2 daysS942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG
DSHUSAOct 9, 2026+2 daysS942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG

Download and release notes

samloader download -m SM-S942U -r CCT -v S942USQS4BZIG/S942UOYN4BZIG/S942USQS4BZIG

Samsung's release notes and security patch level for this update: SM-S942U / CCT on doc.samsungmobile.com. What each part of the build number means: decode S942USQS4BZIG.