S731WVLS9BZF9 – Galaxy S25 FE firmware

Build S731WVLS9BZF9 is a security update for the Galaxy S25 FE (SM-S731W) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 3, 2026 (method) and has reached 11 regions so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to S731WVLS8BZF5 is blocked. Samsung still serves this file.

Model
SM-S731W
Android
Android 16
Type
Security
Bootloader bit
9
First released
Sep 3, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received S731WVLS9BZF9, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BMCCanada (Bell)Sep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
BWACanadaSep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
ESKCanada (Eastlink)Sep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
FMCCanada (Fido)Sep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
GLWCanada (Freedom)Sep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
KDOCanada (Koodo)Sep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
RWCCanada (Rogers)Sep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
TLSCanada (Telus)Sep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
VMCCanada (Virgin)Sep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
VTRCanada (Videotron)Sep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9
XACCanadaSep 3, 2026day 0S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9

Download and release notes

samloader download -m SM-S731W -r BMC -v S731WVLS9BZF9/S731WOYV9BZF9/S731WVLS9BZF9

Samsung's release notes and security patch level for this update: SM-S731W / BMC on doc.samsungmobile.com. What each part of the build number means: decode S731WVLS9BZF9.