Samsung Galaxy A56 5G A566SKSSACZI1
SM-A566S 1 country Android 16

Samsung Galaxy A56 5G A566SKSSACZI1 Firmware

Samsung Galaxy A56 5G A566SKSSACZI1 is an Android 16 firmware for South Korea (SKC). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build A566SKSS9CZH9: bootloader binary raised from 9 to A (10), so after installing it there is no way back to older builds. A newer build for SM-A566S is available: A566SKSUADZJ1.

OS updates guaranteed until: Android 22Security updates until: Mar 1, 2032
Download firmware
9.4/10 (40)141 times
Android 16
OS Version
2026-09-03
Build Date
1
Countries
1
CSC codes
A (10)
Bootloader binary

Bootloader binary A (10). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.
    MODEM/CP Version: A566SKSSACZI1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A566S
    SKC South Korea
    		A566SSKCACZI1 2026-09-14 9.279 GiB
    SM-A566S_3_20260903230320_2kd5smlnep_fac.zip
    		Download

    No matching downloads

    How to flash A566SKSSACZI1

    • A566SKSSACZI1 has bootloader binary A (10). Your device must run binary A (10) or lower: it is the 5th character from the end of your current build number.
    • CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
    • HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
    • The Download Mode key combo depends on the model: see all combos.
    Full flashing guide
    Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

    Device specifications

    • Launched withAndroid 15
    • Display diagonal17 cm (6.7")
    • Display resolution1080 x 2340 pixels
    • RAM8 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • Battery capacity5000 mAh
    • Weight198 g

    Specifications of SM-A566B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    A566SKSSACZI1 is Android 16 firmware for Samsung Galaxy A56 5G, released for South Korea (SKC). Samsung built it on 2026-09-03.

    No. A newer build for SM-A566S is available: A566SKSUADZJ1. Install it instead of A566SKSSACZI1 unless you need this exact version. The previous build was A566SKSS9CZH9.

    Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The download is 9.279 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A56 5G must be on bootloader binary A (10) or lower.

    This build uses bootloader binary A (10). It can be flashed on a Samsung Galaxy A56 5G running binary A (10) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 1 other build of this model uses the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy A56 5G

    No changelog details available.
    Model firmware by region