A576BXXS6AZI3 – Galaxy A57 5G firmware

Build A576BXXS6AZI3 is a security update for the Galaxy A57 5G (SM-A576B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 9, 2026 (method) and has reached 4 regions so far. It raises the bootloader bit from 5 to 6: once installed, the device no longer accepts firmware with bit 5 or lower, so a downgrade to A576BXXS5AZH4 is blocked. Samsung still serves this file.

Model
SM-A576B
Android
Android 16
Type
Security
Bootloader bit
6
First released
Sep 9, 2026
Regions
4

Rollout timeline by region

The date each region code (CSC) first received A576BXXS6AZI3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BKDBangladeshSep 9, 2026day 0A576BXXS6AZI3/A576BODM6AZI3/A576BXXS6AZI2
INSIndiaSep 9, 2026day 0A576BXXS6AZI3/A576BODM6AZI3/A576BXXS6AZI2
NPBNepalSep 9, 2026day 0A576BXXS6AZI3/A576BODM6AZI3/A576BXXS6AZI2
SLKSri LankaSep 9, 2026day 0A576BXXS6AZI3/A576BODM6AZI3/A576BXXS6AZI2

Download and release notes

samloader download -m SM-A576B -r INS -v A576BXXS6AZI3/A576BODM6AZI3/A576BXXS6AZI2

Samsung's release notes and security patch level for this update: SM-A576B / INS on doc.samsungmobile.com. What each part of the build number means: decode A576BXXS6AZI3.