S731USQS9CZJ2 – Galaxy S25 FE firmware

Build S731USQS9CZJ2 is a security update for the Galaxy S25 FE (SM-S731U) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 22, 2026 (method) and has reached 10 regions so far. It keeps bootloader bit 9, so downgrading to the previous build S731USQU9CZIF is still possible. Samsung still serves this file.

Model
SM-S731U
Android
Android 17
Type
Security
Bootloader bit
9
First released
Oct 22, 2026
Regions
10

Rollout timeline by region

The date each region code (CSC) first received S731USQS9CZJ2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AIOUSA (Cricket)Oct 22, 2026day 0S731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2
ATTUSA (AT&T)Oct 22, 2026day 0S731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2
CCTUSA (Comcast)Oct 22, 2026day 0S731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2
VZWUSA (Verizon)Oct 22, 2026day 0S731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2
XAAUSA (unlocked)Oct 22, 2026day 0S731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2
DSAUSANov 5, 2026+14 daysS731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2
DSHUSANov 5, 2026+14 daysS731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2
TMBUSA (T-Mobile)Nov 5, 2026+14 daysS731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2
TMKUSA (MetroPCS)Nov 5, 2026+14 daysS731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2
USCUSA (US Cellular)Nov 5, 2026+14 daysS731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2

Download and release notes

samloader download -m SM-S731U -r XAA -v S731USQS9CZJ2/S731UOYN9CZJ2/S731USQS9CZJ2

Samsung's release notes and security patch level for this update: SM-S731U / XAA on doc.samsungmobile.com. What each part of the build number means: decode S731USQS9CZJ2.