Galaxy A27 5G SM-A276B firmware
The latest stable build is A276BXXS3AZI1 (Android 16, security update), first released on Oct 20, 2026 – 17 days ago. Samsung has published 10 stable builds for this model since Jun 1, 2026: 6 security and 4 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
A276BXXS3AZI1- Released
- Oct 20, 2026
- Android
- Android 16
- Bootloader bit
- 3
- Regions
- 75
- Stable builds
- 10
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 |
|---|---|---|---|---|---|
ACR | Ghana | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
AFG | Afghanistan | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
AFR | Africa | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
ARO | Argentina | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
BKD | Bangladesh | A276BXXU3BZIF | Android 17 | Oct 20, 2026 | 5 |
BVO | Bolivia | A276BXXU3BZIF | Android 17 | Nov 4, 2026 | 5 |
CAU | Caucasus | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
CDR | Dominican Republic | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
CGU | Guatemala (Claro) | A276BXXU3BZIF | Android 17 | Nov 4, 2026 | 5 |
CHE | Chile (Entel) | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
CHL | Chile (Claro) | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
CHO | Chile | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
CHT | Chile (Movistar) | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
COB | Colombia (Movistar) | A276BXXU3BZIF | Android 17 | Nov 5, 2026 | 5 |
COL | Colombia | A276BXXU3BZIF | Android 17 | Nov 5, 2026 | 5 |
COM | Colombia (Claro) | A276BXXS3AZI1 | Android 16 | Oct 20, 2026 | 5 |
COO | Colombia | A276BXXU3BZIF | Android 17 | Nov 5, 2026 | 5 |
CRC | Costa Rica | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
CTI | Argentina (Claro) | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
DKR | Senegal | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
DOR | Dominican Republic | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
ECO | Ecuador | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
ECT | Nigeria | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
EGY | Egypt | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
EUX | Europe (Multi-CSC) | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
EUY | Europe (Multi-CSC) | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
GLB | Philippines (Globe) | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
GLO | Nigeria (Glo) | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
GTO | Guatemala | A276BXXU3BZIF | Android 17 | Oct 19, 2026 | 5 |
ILO | Israel | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
INS | India | A276BXXU3BZIF | Android 17 | Oct 20, 2026 | 5 |
IUS | Mexico (AT&T) | A276BXXU3BZIF | Android 17 | Oct 21, 2026 | 6 |
KSA | Saudi Arabia | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
LYS | Libya | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
MID | Middle East | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
MM1 | Singapore (M1) | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
MWD | Morocco | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
MXO | Mexico | A276BXXU3BZIF | Android 17 | Oct 21, 2026 | 6 |
NPB | Nepal | A276BXXU3BZIF | Android 17 | Oct 20, 2026 | 5 |
PEO | Peru | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
PET | Peru (Movistar) | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
PGU | Guatemala | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
PKD | Pakistan | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
PLS | Poland (Plus) | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
PNT | Panama | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
PRT | Poland (Play) | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
PSN | Argentina (Personal) | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
SAM | Oceania | A276BXXS3AZHF | Android 16 | Oct 8, 2026 | 4 |
SER | Russia | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
SIN | Singapore (Singtel) | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
SKZ | Kazakhstan | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
SLK | Sri Lanka | A276BXXU3BZIF | Android 17 | Oct 20, 2026 | 5 |
STH | Singapore (StarHub) | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
TCE | Mexico (Telcel) | A276BXXU3BZIF | Android 17 | Oct 21, 2026 | 6 |
TGP | Paraguay | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
THL | Thailand | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
TUN | Tunisia | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
TUR | Turkey | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
UFN | Argentina (Movistar) | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
UPO | Uruguay | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
UYO | Uruguay | A276BXXS3AZHF | Android 16 | Oct 14, 2026 | 4 |
XFA | South Africa | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
XFV | South Africa (Vodacom) | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
XID | Indonesia | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
XME | Malaysia | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
XNZ | New Zealand | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
XSA | Australia | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
XSG | United Arab Emirates | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
XSP | Singapore | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
XTC | Philippines | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
XXV | Vietnam | A276BXXU3BZIF | Android 17 | Oct 18, 2026 | 5 |
ZTA | Brazil (Claro) | A276BXXU3BZIF | Android 17 | Oct 20, 2026 | 5 |
ZTM | Brazil (TIM) | A276BXXU3BZIF | Android 17 | Oct 20, 2026 | 5 |
ZTO | Brazil | A276BXXU3BZIF | Android 17 | Oct 20, 2026 | 5 |
ZVV | Brazil (Vivo) | A276BXXU3BZIF | Android 17 | Oct 20, 2026 | 5 |
Firmware history (10 builds)
Every stable build (PDA version) Samsung has published for the SM-A276B, 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 |
|---|---|---|---|---|---|---|
A276BXXS3AZI1 | Oct 20, 2026 | Android 16 | Security | 3 | 4 | on server |
A276BXXU3BZIF | Oct 18, 2026 | Android 17 | Feature | 3 | 53 | on server |
A276BXXS3AZHC | Sep 23, 2026 | Android 16 | Security | 3 | 4 | on server |
A276BXXS3AZHF | Sep 21, 2026 | Android 16 | Security | 3 | 35 | on server |
A276BXXS3AZHA | Sep 16, 2026 | Android 16 | Security | 3 | 36 | on server |
A276BXXU2AZHE | Sep 14, 2026 | Android 16 | Feature | 2 | 35 | on server |
A276BXXU2AZH7 | Aug 25, 2026 | Android 16 | Feature | 2 | 40 | on server |
A276BXXS2AZG3 | Jul 27, 2026 | Android 16 | Security | 2 | 4 | on server |
A276BXXS2AZG1 | Jul 26, 2026 | Android 16 | Security | 2 | 71 | on server |
A276BXXU1AZEA | Jun 1, 2026 | Android 16 | Feature | 1 | 75 | on server |
How to download SM-A276B 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-A276B -r EUX
Replace EUX 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-A276B / EUX release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.