F956U1UEU4EZJ8 – Galaxy Z Fold6 firmware

Build F956U1UEU4EZJ8 is a feature update for the Galaxy Z Fold6 (SM-F956U1) on Android 17 (One UI 9). It first appeared on Samsung's servers on Nov 11, 2026 (method) and has reached 12 regions so far. It keeps bootloader bit 4, so downgrading to the previous build F956U1UES4EZJ1 is still possible. Samsung still serves this file.

Model
SM-F956U1
Android
Android 17
Type
Feature
Bootloader bit
4
First released
Nov 11, 2026
Regions
12

Rollout timeline by region

The date each region code (CSC) first received F956U1UEU4EZJ8, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TMBUSA (T-Mobile)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
TMKUSA (MetroPCS)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
ACGUSA (C Spire)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
AIOUSA (Cricket)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
ATTUSA (AT&T)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
CCTUSA (Comcast)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
LRAUSA (Bluegrass)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
TFNUSA (TracFone)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
USCUSA (US Cellular)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
VZWUSA (Verizon)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
XAAUSA (unlocked)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8
XARUSA (Cellular South)Nov 11, 2026day 0F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8

Download and release notes

samloader download -m SM-F956U1 -r XAA -v F956U1UEU4EZJ8/F956U1OYM4EZJ8/F956U1UEU4EZJ8

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 F956U1UEU4EZJ8.