F966WVLUCCZIH – Galaxy Z Fold7 firmware

Build F966WVLUCCZIH is a feature update for the Galaxy Z Fold7 (SM-F966W) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 5, 2026 (method) and has reached 11 regions so far. It keeps bootloader bit 12, so downgrading to the previous build F966WVLSCBZH3 is still possible. Samsung still serves this file.

Model
SM-F966W
Android
Android 17
Type
Feature
Bootloader bit
12
First released
Oct 5, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received F966WVLUCCZIH, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BMCCanada (Bell)Oct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
BWACanadaOct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
ESKCanada (Eastlink)Oct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
FMCCanada (Fido)Oct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
GLWCanada (Freedom)Oct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
KDOCanada (Koodo)Oct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
RWCCanada (Rogers)Oct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
TLSCanada (Telus)Oct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
VMCCanada (Virgin)Oct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
VTRCanada (Videotron)Oct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH
XACCanadaOct 5, 2026day 0F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH

Download and release notes

samloader download -m SM-F966W -r BMC -v F966WVLUCCZIH/F966WOYVCCZIH/F966WVLUCCZIH

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 F966WVLUCCZIH.