F761U1UESDCZJ1 – Galaxy Z Flip7 FE firmware

Build F761U1UESDCZJ1 is a security update for the Galaxy Z Flip7 FE (SM-F761U1) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 21, 2026 (method) and has reached 14 regions so far. It raises the bootloader bit from 12 to 13: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to F761U1UEUCCZIH is blocked. Samsung still serves this file.

Model
SM-F761U1
Android
Android 17
Type
Security
Bootloader bit
13
First released
Oct 21, 2026
Regions
14

Rollout timeline by region

The date each region code (CSC) first received F761U1UESDCZJ1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Oct 21, 2026day 0F761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
AIOUSA (Cricket)Oct 21, 2026day 0F761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
ATTUSA (AT&T)Oct 21, 2026day 0F761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
CCTUSA (Comcast)Oct 21, 2026day 0F761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
LRAUSA (Bluegrass)Oct 21, 2026day 0F761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
TFNUSA (TracFone)Oct 21, 2026day 0F761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
VZWUSA (Verizon)Oct 21, 2026day 0F761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
XARUSA (Cellular South)Oct 21, 2026day 0F761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
TMKUSA (MetroPCS)Nov 1, 2026+11 daysF761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
USCUSA (US Cellular)Nov 2, 2026+12 daysF761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
TMBUSA (T-Mobile)Nov 2, 2026+12 daysF761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
DSAUSANov 5, 2026+15 daysF761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
DSHUSANov 5, 2026+15 daysF761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1
XAAUSA (unlocked)Nov 5, 2026+15 daysF761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1

Download and release notes

samloader download -m SM-F761U1 -r XAA -v F761U1UESDCZJ1/F761U1OYMDCZJ1/F761U1UESDCZJ1

Samsung's release notes and security patch level for this update: SM-F761U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode F761U1UESDCZJ1.