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.
| CSC | Region | Latest build | Android | Released | Builds |
|---|---|---|---|---|---|
ACG | USA (C Spire) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
AIO | USA (Cricket) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
ATT | USA (AT&T) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
CCT | USA (Comcast) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
DSA | USA | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
DSH | USA | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
LRA | USA (Bluegrass) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
TMB | USA (T-Mobile) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
TMK | USA (MetroPCS) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
VZW | USA (Verizon) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
XAA | USA (unlocked) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
XAR | USA (Cellular South) | A276U1UEU3BZIF | Android 17 | Nov 2, 2026 | 5 |
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) | Released | Android | Type | Bit | Regions | File |
|---|---|---|---|---|---|---|
A276U1UEU3BZIF | Nov 2, 2026 | Android 17 | Feature | 3 | 12 | on server |
A276U1UES3AZI3 | Oct 6, 2026 | Android 16 | Security | 3 | 12 | on server |
A276U1UEU2AZH3 | Sep 8, 2026 | Android 16 | Feature | 2 | 12 | on server |
A276U1UES2AZG2 | Jul 30, 2026 | Android 16 | Security | 2 | 12 | on server |
A276U1UEU1AZF1 | Jun 29, 2026 | Android 16 | Feature | 1 | 12 | on 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.