Galaxy A57 5G SM-A576U firmware

The latest stable build is A576USQS4BZJ2 (Android 17, security update), first released on Oct 26, 2026 – 11 days ago. Samsung has published 9 stable builds for this model since Jul 9, 2026: 6 security and 3 feature updates, from Android 16 to Android 17. The current bootloader (binary) version is 4. A device on bit 4 only accepts firmware with bit 4 or higher – see downgrading and the bootloader bit.

Latest build: A576USQS4BZJ2
Released: Oct 26, 2026
Android: Android 17
Bootloader bit: 4
Regions: 5
Stable builds: 9

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
`AIO`	USA (Cricket)	`A576USQS4BZJ2`	Android 17	Oct 27, 2026	5
`ATT`	USA (AT&T)	`A576USQS4BZJ2`	Android 17	Oct 27, 2026	5
`CCT`	USA (Comcast)	`A576USQS4BZJ2`	Android 17	Oct 26, 2026	5
`TMB`	USA (T-Mobile)	`A576USQS4BZJ2`	Android 17	Oct 26, 2026	6
`TMK`	USA (MetroPCS)	`A576USQS4BZJ2`	Android 17	Oct 26, 2026	6

Firmware history (9 builds)

Every stable build (PDA version) Samsung has published for the SM-A576U, 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
`A576USQS4BZJ2`	Oct 26, 2026	Android 17	Security	4	5	on server
`A576USQU4BZIE`	Oct 11, 2026	Android 17	Feature	4	5	on server
`A576USQS4AZI2`	Sep 16, 2026	Android 16	Security	4	2	on server
`A576USQS4AZI3`	Sep 15, 2026	Android 16	Security	4	3	on server
`A576USQS3AZHA`	Aug 30, 2026	Android 16	Security	3	3	on server
`A576USQS3AZH9`	Aug 26, 2026	Android 16	Security	3	2	on server
`A576USQS2AZG3`	Jul 30, 2026	Android 16	Security	2	2	on server
`A576USQU1AZF9`	Jul 15, 2026	Android 16	Feature	1	3	on server
`A576USQU1AZF8`	Jul 9, 2026	Android 16	Feature	1	2	on server

How to download SM-A576U 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-A576U -r TMK

Replace TMK 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-A576U / TMK release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.