F966WVLSBBZG3 – Galaxy Z Fold7 firmware

Build F966WVLSBBZG3 is a security update for the Galaxy Z Fold7 (SM-F966W) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 19, 2026 (method) and has reached 11 regions so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to F966WVLUABZF1 is blocked. Samsung still serves this file.

Model
SM-F966W
Android
Android 16
Type
Security
Bootloader bit
11
First released
Jul 19, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received F966WVLSBBZG3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BMCCanada (Bell)Jul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
BWACanadaJul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
ESKCanada (Eastlink)Jul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
FMCCanada (Fido)Jul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
GLWCanada (Freedom)Jul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
KDOCanada (Koodo)Jul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
RWCCanada (Rogers)Jul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
TLSCanada (Telus)Jul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
VMCCanada (Virgin)Jul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
VTRCanada (Videotron)Jul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3
XACCanadaJul 19, 2026day 0F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3

Download and release notes

samloader download -m SM-F966W -r BMC -v F966WVLSBBZG3/F966WOYVBBZG3/F966WVLSBBZG3

Samsung's release notes and security patch level for this update: SM-F966W / BMC on doc.samsungmobile.com. What each part of the build number means: decode F966WVLSBBZG3.