F966WVLSCBZH3 – Galaxy Z Fold7 firmware

Build F966WVLSCBZH3 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 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 F966WVLSBBZG3 is blocked. Samsung still serves this file.

Model
SM-F966W
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 F966WVLSCBZH3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
RWCCanada (Rogers)Sep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
TLSCanada (Telus)Sep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
VMCCanada (Virgin)Sep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
VTRCanada (Videotron)Sep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
XACCanadaSep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
BMCCanada (Bell)Sep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
BWACanadaSep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
ESKCanada (Eastlink)Sep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
FMCCanada (Fido)Sep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
GLWCanada (Freedom)Sep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3
KDOCanada (Koodo)Sep 3, 2026day 0F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3

Download and release notes

samloader download -m SM-F966W -r RWC -v F966WVLSCBZH3/F966WOYVCBZH3/F966WVLSCBZH3

Samsung's release notes and security patch level for this update: SM-F966W / RWC on doc.samsungmobile.com. What each part of the build number means: decode F966WVLSCBZH3.