Galaxy A27 5G SM-A276U1 firmware

The latest stable build is A276U1UEU3BZIF (Android 17, feature update), first released on Nov 2, 2026 – 4 days ago. Samsung has published 5 stable builds for this model since Jun 29, 2026: 2 security and 3 feature updates, from Android 16 to Android 17. The current bootloader (binary) version is 3. A device on bit 3 only accepts firmware with bit 3 or higher – see downgrading and the bootloader bit.

Latest build
A276U1UEU3BZIF
Released
Nov 2, 2026
Android
Android 17
Bootloader bit
3
Regions
12
Stable builds
5

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)A276U1UEU3BZIFAndroid 17Nov 2, 20265
AIOUSA (Cricket)A276U1UEU3BZIFAndroid 17Nov 2, 20265
ATTUSA (AT&T)A276U1UEU3BZIFAndroid 17Nov 2, 20265
CCTUSA (Comcast)A276U1UEU3BZIFAndroid 17Nov 2, 20265
DSAUSAA276U1UEU3BZIFAndroid 17Nov 2, 20265
DSHUSAA276U1UEU3BZIFAndroid 17Nov 2, 20265
LRAUSA (Bluegrass)A276U1UEU3BZIFAndroid 17Nov 2, 20265
TMBUSA (T-Mobile)A276U1UEU3BZIFAndroid 17Nov 2, 20265
TMKUSA (MetroPCS)A276U1UEU3BZIFAndroid 17Nov 2, 20265
VZWUSA (Verizon)A276U1UEU3BZIFAndroid 17Nov 2, 20265
XAAUSA (unlocked)A276U1UEU3BZIFAndroid 17Nov 2, 20265
XARUSA (Cellular South)A276U1UEU3BZIFAndroid 17Nov 2, 20265

Firmware history (5 builds)

Every stable build (PDA version) Samsung has published for the SM-A276U1, newest first. “” is the earliest date the build appeared on Samsung's servers in any region. “” means Samsung no longer serves the file for that build.

Build (PDA)ReleasedAndroidTypeBitRegionsFile
A276U1UEU3BZIFNov 2, 2026Android 17Feature312on server
A276U1UES3AZI3Oct 6, 2026Android 16Security312on server
A276U1UEU2AZH3Sep 8, 2026Android 16Feature212on server
A276U1UES2AZG2Jul 30, 2026Android 16Security212on server
A276U1UEU1AZF1Jun 29, 2026Android 16Feature112on server

How to download SM-A276U1 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-A276U1 -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-A276U1 / XAA release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.