S948WVLU5BZJA – Galaxy S26 Ultra firmware

Build S948WVLU5BZJA is a feature update for the Galaxy S26 Ultra (SM-S948W) on Android 17 (One UI 9). It first appeared on Samsung's servers on Nov 2, 2026 (method) and has reached 11 regions so far. It raises the bootloader bit from 4 to 5: once installed, the device no longer accepts firmware with bit 4 or lower, so a downgrade to S948WVLS4BZIG is blocked. Samsung still serves this file.

Model
SM-S948W
Android
Android 17
Type
Feature
Bootloader bit
5
First released
Nov 2, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received S948WVLU5BZJA, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ESKCanada (Eastlink)Nov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
FMCCanada (Fido)Nov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
RWCCanada (Rogers)Nov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
XACCanadaNov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
BMCCanada (Bell)Nov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
BWACanadaNov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
GLWCanada (Freedom)Nov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
KDOCanada (Koodo)Nov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
TLSCanada (Telus)Nov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
VMCCanada (Virgin)Nov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA
VTRCanada (Videotron)Nov 2, 2026day 0S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA

Download and release notes

samloader download -m SM-S948W -r ESK -v S948WVLU5BZJA/S948WOYV5BZJA/S948WVLU5BZJA

Samsung's release notes and security patch level for this update: SM-S948W / ESK on doc.samsungmobile.com. What each part of the build number means: decode S948WVLU5BZJA.