F956WVLS4DZF2 – Galaxy Z Fold6 firmware

Build F956WVLS4DZF2 is a security update for the Galaxy Z Fold6 (SM-F956W) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 21, 2026 (method) and has reached 11 regions so far. It raises the bootloader bit from 3 to 4: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to F956WVLU3DZDP is blocked. Samsung still serves this file.

Model
SM-F956W
Android
Android 16
Type
Security
Bootloader bit
4
First released
Jun 21, 2026
Regions
11

Rollout timeline by region

The date each region code (CSC) first received F956WVLS4DZF2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BMCCanada (Bell)Jun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
BWACanadaJun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
ESKCanada (Eastlink)Jun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
FMCCanada (Fido)Jun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
GLWCanada (Freedom)Jun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
KDOCanada (Koodo)Jun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
RWCCanada (Rogers)Jun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
TLSCanada (Telus)Jun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
VMCCanada (Virgin)Jun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
VTRCanada (Videotron)Jun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2
XACCanadaJun 21, 2026day 0F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2

Download and release notes

samloader download -m SM-F956W -r BMC -v F956WVLS4DZF2/F956WOYV4DZF2/F956WVLS4DZF2

Samsung's release notes and security patch level for this update: SM-F956W / BMC on doc.samsungmobile.com. What each part of the build number means: decode F956WVLS4DZF2.