Galaxy A56 5G SM-A566W firmware

The latest stable build is A566WVLUBDZJ1 (Android 17, feature update), first released on Oct 26, 2026 – 11 days ago. Samsung has published 15 stable builds for this model since Jun 29, 2025: 11 security and 4 feature updates, from Android 15 to Android 17. The current bootloader (binary) version is 11. A device on bit 11 only accepts firmware with bit 11 or higher – see downgrading and the bootloader bit.

Latest build: A566WVLUBDZJ1
Released: Oct 26, 2026
Android: Android 17
Bootloader bit: 11
Regions: 11
Stable builds: 15

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
`BMC`	Canada (Bell)	`A566WVLU7CZE2`	Android 16	May 25, 2026	7
`BWA`	Canada	`A566WVLU7CZE2`	Android 16	May 25, 2026	7
`ESK`	Canada (Eastlink)	`A566WVLUBDZJ1`	Android 17	Oct 26, 2026	15
`FMC`	Canada (Fido)	`A566WVLUBDZJ1`	Android 17	Oct 26, 2026	15
`GLW`	Canada (Freedom)	`A566WVLUBDZJ1`	Android 17	Oct 26, 2026	15
`KDO`	Canada (Koodo)	`A566WVLUBDZJ1`	Android 17	Oct 26, 2026	15
`RWC`	Canada (Rogers)	`A566WVLUBDZJ1`	Android 17	Oct 26, 2026	15
`TLS`	Canada (Telus)	`A566WVLUBDZJ1`	Android 17	Oct 26, 2026	15
`VMC`	Canada (Virgin)	`A566WVLU7CZE2`	Android 16	May 25, 2026	7
`VTR`	Canada (Videotron)	`A566WVLUBDZJ1`	Android 17	Oct 26, 2026	15
`XAC`	Canada	`A566WVLUBDZJ1`	Android 17	Oct 26, 2026	15

Firmware history (15 builds)

Every stable build (PDA version) Samsung has published for the SM-A566W, 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
`A566WVLUBDZJ1`	Oct 26, 2026	Android 17	Feature	11	8	on server
`A566WVLSBCZI2`	Sep 17, 2026	Android 16	Security	11	8	on server
`A566WVLSACZHB`	Sep 3, 2026	Android 16	Security	10	8	on server
`A566WVLS9CZG7`	Jul 26, 2026	Android 16	Security	9	8	on server
`A566WVLS7CZE5`	Jun 4, 2026	Android 16	Security	7	8	on server
`A566WVLU7CZE2`	May 25, 2026	Android 16	Feature	7	11	on server
`A566WVLS7BZD1`	Apr 23, 2026	Android 16	Security	7	11	on server
`A566WVLS6BZB7`	Mar 5, 2026	Android 16	Security	6	11	on server
`A566WVLS4BYL2`	Dec 18, 2025	Android 16	Security	4	11	on server
`A566WVLS4BYK2`	Nov 28, 2025	Android 16	Security	4	11	on server
`A566WVLS3BYJ2`	Oct 30, 2025	Android 16	Security	3	11	on server
`A566WVLU3BYIB`	Oct 6, 2025	Android 16	Feature	3	11	on server
`A566WVLS3AYH1`	Aug 28, 2025	Android 15	Security	3	8	on server
`A566WVLS2AYG1`	Jul 31, 2025	Android 15	Security	2	8	on server
`A566WVLU1AYFA`	Jun 29, 2025	Android 15	Feature	1	8	on server

How to download SM-A566W 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-A566W -r XAC

Replace XAC 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-A566W / XAC release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.