Galaxy Z Flip7 SM-F766U1 updates & firmware

This page tracks every software update Samsung's update servers list for the Samsung Galaxy Z Flip7 (SM-F766U1). The latest stable build is F766U1UEUDCZJB (Android 17, feature update), first released on Nov 4, 2026. Samsung has published 20 stable builds for this model since Jul 9, 2025: 13 security and 7 feature updates, from Android 16 to Android 17. The current bootloader (binary) version is 13. A device on bit 13 only accepts firmware with bit 13 or higher – see downgrading and the bootloader bit.

Rollout: build F766U1UEUDCZJB (Android 17 (One UI 9)) is live in all 14 regions, first released on Nov 4, 2026 in USC (USA (US Cellular)).

Latest build
F766U1UEUDCZJB
Released
Nov 4, 2026
Android
Android 17
Bootloader bit
13
Regions
14
Stable builds
20

Update policy

Samsung promised 7 major Android upgrades and 7 years of security updates for the Galaxy Z Flip7, counted from its launch in July 2025 with Android 16. That makes Android 23 the last major version and security updates continue until about July 2032. It is currently on Android 17 (One UI 9), so 6 major upgrades are still to come.

OS upgrades promised
7
Security updates
7 years
Last major version
Android 23
Security support until
July 2032
Current version
Android 17 (One UI 9)
Status
Supported

Source: reported by sammobile.com. Samsung counts from the global launch and does not publish exact end dates; the dates above are launch month plus the promised years.

Compare all models: Samsung update policy by model.

Latest firmware by region (CSC)

Samsung builds firmware per region code (CSC). Pick the code that matches your device – it is shown under Settings › About phone › Software information › Service provider software version. Follow a code for its complete history.

CSCRegionLatest buildAndroidReleasedBuilds
ACGUSA (C Spire)F766U1UEUDCZJBAndroid 17Nov 4, 202626
AIOUSA (Cricket)F766U1UEUDCZJBAndroid 17Nov 4, 202626
ATTUSA (AT&T)F766U1UEUDCZJBAndroid 17Nov 4, 202626
CCTUSA (Comcast)F766U1UEUDCZJBAndroid 17Nov 4, 202626
DSAUSAF766U1UEUDCZJBAndroid 17Nov 5, 202626
DSHUSAF766U1UEUDCZJBAndroid 17Nov 5, 202626
LRAUSA (Bluegrass)F766U1UEUDCZJBAndroid 17Nov 4, 202626
TFNUSA (TracFone)F766U1UEUDCZJBAndroid 17Nov 4, 202626
TMBUSA (T-Mobile)F766U1UEUDCZJBAndroid 17Nov 4, 202626
TMKUSA (MetroPCS)F766U1UEUDCZJBAndroid 17Nov 4, 202626
USCUSA (US Cellular)F766U1UEUDCZJBAndroid 17Nov 4, 202626
VZWUSA (Verizon)F766U1UEUDCZJBAndroid 17Nov 4, 202626
XAAUSA (unlocked)F766U1UEUDCZJBAndroid 17Nov 4, 202626
XARUSA (Cellular South)F766U1UEUDCZJBAndroid 17Nov 4, 202626

Firmware history (20 builds)

Every stable build (PDA version) Samsung has published for the SM-F766U1, newest first. “Released” is the earliest date the build appeared on Samsung's servers in any region (how dates work). “pulled” means Samsung no longer serves the file for that build, usually because newer builds replaced it (details).

Build (PDA)ReleasedAndroidTypeBitRegionsFile
F766U1UEUDCZJBNov 4, 2026Android 17Feature1314on server
F766U1UESDCZJ1Oct 21, 2026Android 17Security1314on server
F766U1UEUCCZIHOct 5, 2026Android 17Feature1214on server
F766U1UESCBZH3Aug 31, 2026Android 16Security1214on server
F766U1UESBBZG3Jul 14, 2026Android 16Security1114on server
F766U1UEUABZF3Jun 17, 2026Android 16Feature1014on server
F766U1UESABZE3May 25, 2026Android 16Security1014on server
F766U1UEU9BZDPMay 10, 2026Android 16Feature914on server
F766U1UES9AZD1Apr 13, 2026Android 16Security914on server
F766U1UES8AZC3Mar 22, 2026Android 16Security814on server
F766U1UES8AZB6Feb 25, 2026Android 16Security814on server
F766U1UES7AZA1Jan 18, 2026Android 16Security714on server
F766U1UES6AYKFDec 10, 2025Android 16Security614on server
F766U1UES6AYK9Nov 19, 2025Android 16Security614on server
F766U1UES5AYJ3Oct 26, 2025Android 16Security514on server
F766U1UEU4AYI1Sep 14, 2025Android 16Feature414on server
F766U1UES3AYH3Aug 19, 2025Android 16Security314on server
F766U1UES2AYGDJul 30, 2025Android 16Security214on server
F766U1UEU1AYFPJul 9, 2025Android 16Feature114on server
F766U1UEUDCZJC–Android 17Feature1314on server

Beta and test builds

Samsung's servers also list 6 beta build(s) for this model. They are not offered to regular users and are often removed after the next stable release.

BuildListedFile
F766U1UEUCZZI6Sep 8, 2026pulled
F766U1UEUCZZHPSep 3, 2026pulled
F766U1UEU9ZZDDApr 20, 2026pulled
F766U1UEU9ZZD3Apr 16, 2026pulled
F766U1UEU8ZZCDMar 26, 2026pulled
F766U1UEU8ZZC5Mar 11, 2026pulled

How to download SM-F766U1 firmware

We do not host firmware. Download it directly from Samsung's servers with a free open-source tool, for example samloader:

samloader download -m SM-F766U1 -r XAA

Replace XAA with your region code. Step-by-step instructions, including a graphical alternative: How to download Samsung firmware.

Changelog and security patch level

Samsung publishes the release notes for each update, including the security patch level, on its own site. They are listed per region – for example SM-F766U1 / XAA release notes on doc.samsungmobile.com. Each region page here links to the notes for that code. We don't show the patch level ourselves because Samsung's update servers don't report it (why).