F956USQU4EZJ8 – Galaxy Z Fold6 firmware

Build F956USQU4EZJ8 is a feature update for the Galaxy Z Fold6 (SM-F956U) on Android 17 (One UI 9). It first appeared on Samsung's servers on Nov 11, 2026 (method) and has reached 6 regions so far. It keeps bootloader bit 4, so downgrading to the previous build F956USQS4EZJ1 is still possible. Samsung still serves this file.

Model
SM-F956U
Android
Android 17
Type
Feature
Bootloader bit
4
First released
Nov 11, 2026
Regions
6

Rollout timeline by region

The date each region code (CSC) first received F956USQU4EZJ8, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CCTUSA (Comcast)Nov 11, 2026day 0F956USQU4EZJ8/F956UOYN4EZJ8/F956USQU4EZJ8
TMBUSA (T-Mobile)Nov 11, 2026day 0F956USQU4EZJ8/F956UOYN4EZJ8/F956USQU4EZJ8
TMKUSA (MetroPCS)Nov 11, 2026day 0F956USQU4EZJ8/F956UOYN4EZJ8/F956USQU4EZJ8
USCUSA (US Cellular)Nov 11, 2026day 0F956USQU4EZJ8/F956UOYN4EZJ8/F956USQU4EZJ8
ATTUSA (AT&T)Nov 11, 2026day 0F956USQU4EZJ8/F956UOYN4EZJ8/F956USQU4EZJ8
XAAUSA (unlocked)Nov 12, 2026+1 dayF956USQU4EZJ8/F956UOYN4EZJ8/F956USQU4EZJ8

Download and release notes

samloader download -m SM-F956U -r XAA -v F956USQU4EZJ8/F956UOYN4EZJ8/F956USQU4EZJ8

Samsung's release notes and security patch level for this update: SM-F956U / XAA on doc.samsungmobile.com. What each part of the build number means: decode F956USQU4EZJ8.