F971USQU3AZJ8 – Galaxy Z Fold8 firmware

Build F971USQU3AZJ8 is a feature update for the Galaxy Z Fold8 (SM-F971U) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 28, 2026 (method) and has reached 7 regions so far. It keeps bootloader bit 3, so downgrading to the previous build F971USQS3AZIL is still possible. Samsung still serves this file.

Model
SM-F971U
Android
Android 17
Type
Feature
Bootloader bit
3
First released
Oct 28, 2026
Regions
7

Rollout timeline by region

The date each region code (CSC) first received F971USQU3AZJ8, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CCTUSA (Comcast)Oct 28, 2026day 0F971USQU3AZJ8/F971UOYN3AZJ8/F971USQU3AZJ8
TMBUSA (T-Mobile)Oct 28, 2026day 0F971USQU3AZJ8/F971UOYN3AZJ8/F971USQU3AZJ8
TMKUSA (MetroPCS)Oct 28, 2026day 0F971USQU3AZJ8/F971UOYN3AZJ8/F971USQU3AZJ8
AIOUSA (Cricket)Oct 28, 2026day 0F971USQU3AZJ8/F971UOYN3AZJ8/F971USQU3AZJ8
ATTUSA (AT&T)Oct 28, 2026day 0F971USQU3AZJ8/F971UOYN3AZJ8/F971USQU3AZJ8
VZWUSA (Verizon)Nov 2, 2026+5 daysF971USQU3AZJ8/F971UOYN3AZJ8/F971USQU3AZJ8
XAAUSA (unlocked)Nov 2, 2026+5 daysF971USQU3AZJ8/F971UOYN3AZJ8/F971USQU3AZJ8

Download and release notes

samloader download -m SM-F971U -r XAA -v F971USQU3AZJ8/F971UOYN3AZJ8/F971USQU3AZJ8

Samsung's release notes and security patch level for this update: SM-F971U / XAA on doc.samsungmobile.com. What each part of the build number means: decode F971USQU3AZJ8.