S931WVLSCCZF9 – Galaxy S25 firmware

Build S931WVLSCCZF9 is a security update for the Galaxy S25 (SM-S931W) 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 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to S931WVLSBCZF5 is blocked. Samsung still serves this file.

Model
SM-S931W
Android
Android 16
Type
Security
Bootloader bit
12
First released
Sep 3, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received S931WVLSCCZF9, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TLSCanada (Telus)Sep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
VMCCanada (Virgin)Sep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
VTRCanada (Videotron)Sep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
XACCanadaSep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
BMCCanada (Bell)Sep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
BWACanadaSep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
ESKCanada (Eastlink)Sep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
FMCCanada (Fido)Sep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
GLWCanada (Freedom)Sep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
KDOCanada (Koodo)Sep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9
RWCCanada (Rogers)Sep 3, 2026day 0S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9

Download and release notes

samloader download -m SM-S931W -r TLS -v S931WVLSCCZF9/S931WOYVCCZF9/S931WVLSCCZF9

Samsung's release notes and security patch level for this update: SM-S931W / TLS on doc.samsungmobile.com. What each part of the build number means: decode S931WVLSCCZF9.