F956U1UES4DZH5 – Galaxy Z Fold6 firmware

Build F956U1UES4DZH5 is a security update for the Galaxy Z Fold6 (SM-F956U1) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 31, 2026 (method) and has reached 14 regions so far. It keeps bootloader bit 4, so downgrading to the previous build F956U1UES4DZG3 is still possible. Samsung still serves this file.

Model
SM-F956U1
Android
Android 16
Type
Security
Bootloader bit
4
First released
Aug 31, 2026
Regions
14

Rollout timeline by region

The date each region code (CSC) first received F956U1UES4DZH5, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
LRAUSA (Bluegrass)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
TFNUSA (TracFone)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
TMBUSA (T-Mobile)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
TMKUSA (MetroPCS)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
USCUSA (US Cellular)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
VZWUSA (Verizon)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
XARUSA (Cellular South)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
AIOUSA (Cricket)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
ATTUSA (AT&T)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
XAAUSA (unlocked)Aug 31, 2026day 0F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
DSAUSASep 1, 2026+1 dayF956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
DSHUSASep 1, 2026+1 dayF956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5
CCTUSA (Comcast)Sep 1, 2026+1 dayF956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5

Download and release notes

samloader download -m SM-F956U1 -r XAA -v F956U1UES4DZH5/F956U1OYM4DZH5/F956U1UES4DZH5

Samsung's release notes and security patch level for this update: SM-F956U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode F956U1UES4DZH5.