S948WVLS4BZIG – Galaxy S26 Ultra firmware

Build S948WVLS4BZIG is a security update for the Galaxy S26 Ultra (SM-S948W) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 8, 2026 (method) and has reached 11 regions so far. It keeps bootloader bit 4, so downgrading to the previous build S948WVLU4BZID is still possible. Samsung still serves this file.

Model
SM-S948W
Android
Android 17
Type
Security
Bootloader bit
4
First released
Oct 8, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received S948WVLS4BZIG, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BMCCanada (Bell)Oct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
BWACanadaOct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
ESKCanada (Eastlink)Oct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
FMCCanada (Fido)Oct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
GLWCanada (Freedom)Oct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
KDOCanada (Koodo)Oct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
RWCCanada (Rogers)Oct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
TLSCanada (Telus)Oct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
VMCCanada (Virgin)Oct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
VTRCanada (Videotron)Oct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG
XACCanadaOct 8, 2026day 0S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG

Download and release notes

samloader download -m SM-S948W -r BMC -v S948WVLS4BZIG/S948WOYV4BZIG/S948WVLS4BZIG

Samsung's release notes and security patch level for this update: SM-S948W / BMC on doc.samsungmobile.com. What each part of the build number means: decode S948WVLS4BZIG.