S931WVLUCDZIF – Galaxy S25 firmware

Build S931WVLUCDZIF is a feature update for the Galaxy S25 (SM-S931W) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 6, 2026 (method) and has reached 11 regions so far. It keeps bootloader bit 12, so downgrading to the previous build S931WVLSCCZF9 is still possible. Samsung still serves this file.

Model
SM-S931W
Android
Android 17
Type
Feature
Bootloader bit
12
First released
Oct 6, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received S931WVLUCDZIF, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BMCCanada (Bell)Oct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
BWACanadaOct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
ESKCanada (Eastlink)Oct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
FMCCanada (Fido)Oct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
GLWCanada (Freedom)Oct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
KDOCanada (Koodo)Oct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
RWCCanada (Rogers)Oct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
TLSCanada (Telus)Oct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
VMCCanada (Virgin)Oct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
VTRCanada (Videotron)Oct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF
XACCanadaOct 6, 2026day 0S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF

Download and release notes

samloader download -m SM-S931W -r BMC -v S931WVLUCDZIF/S931WOYVCDZIF/S931WVLUCDZIF

Samsung's release notes and security patch level for this update: SM-S931W / BMC on doc.samsungmobile.com. What each part of the build number means: decode S931WVLUCDZIF.