A276BXXS3AZHF – Galaxy A27 5G firmware

Build A276BXXS3AZHF is a security update for the Galaxy A27 5G (SM-A276B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 21, 2026 (method) and has reached 35 regions so far. It keeps bootloader bit 3, so downgrading to the previous build A276BXXS3AZHA is still possible. Samsung still serves this file.

Model

SM-A276B

Android

Android 16

Type

Security

Bootloader bit

3

First released

Sep 21, 2026

Regions

35

Rollout timeline by region

The date each region code (CSC) first received A276BXXS3AZHF, counted from the first release.

Download and release notes

samloader download -m SM-A276B -r GTO -v A276BXXS3AZHF/A276BOWO3AZHF/A276BXXS3AZHA

Samsung's release notes and security patch level for this update: SM-A276B / GTO on doc.samsungmobile.com. What each part of the build number means: decode A276BXXS3AZHF.