A576BXXS5AZH4 – Galaxy A57 5G firmware

Build A576BXXS5AZH4 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 1, 2026 (method) and has reached 4 regions so far. It keeps bootloader bit 5, so downgrading to the previous build A576BXXS5AZH3 is still possible. Samsung still serves this file.

Model
SM-A576B
Android
Android 16
Type
Security
Bootloader bit
5
First released
Sep 1, 2026
Regions
4

Rollout timeline by region

The date each region code (CSC) first received A576BXXS5AZH4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BKDBangladeshSep 1, 2026day 0A576BXXS5AZH4/A576BODM5AZH4/A576BXXS5AZH3
INSIndiaSep 1, 2026day 0A576BXXS5AZH4/A576BODM5AZH4/A576BXXS5AZH3
NPBNepalSep 1, 2026day 0A576BXXS5AZH4/A576BODM5AZH4/A576BXXS5AZH3
SLKSri LankaSep 1, 2026day 0A576BXXS5AZH4/A576BODM5AZH4/A576BXXS5AZH3

Download and release notes

samloader download -m SM-A576B -r INS -v A576BXXS5AZH4/A576BODM5AZH4/A576BXXS5AZH3

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 A576BXXS5AZH4.