F956U1UES4DZG3 – Galaxy Z Fold6 firmware

Build F956U1UES4DZG3 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 Jul 19, 2026 (method) and has reached 14 regions so far. It keeps bootloader bit 4, so downgrading to the previous build F956U1UES4DZF2 is still possible. Samsung still serves this file.

Model
SM-F956U1
Android
Android 16
Type
Security
Bootloader bit
4
First released
Jul 19, 2026
Regions
14

Rollout timeline by region

The date each region code (CSC) first received F956U1UES4DZG3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TMBUSA (T-Mobile)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
TMKUSA (MetroPCS)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
VZWUSA (Verizon)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
XAAUSA (unlocked)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
XARUSA (Cellular South)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
ACGUSA (C Spire)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
CCTUSA (Comcast)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
LRAUSA (Bluegrass)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
TFNUSA (TracFone)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
USCUSA (US Cellular)Jul 19, 2026day 0F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
DSHUSAJul 20, 2026+1 dayF956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
DSAUSAJul 20, 2026+1 dayF956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
AIOUSA (Cricket)Jul 20, 2026+1 dayF956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3
ATTUSA (AT&T)Jul 20, 2026+1 dayF956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3

Download and release notes

samloader download -m SM-F956U1 -r XAA -v F956U1UES4DZG3/F956U1OYM4DZG3/F956U1UES4DZG3

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 F956U1UES4DZG3.