Samsung Galaxy A25 5G A253CONS1AYK1
SM-A253C 1 country Android 16

Samsung Galaxy A25 5G A253CONS1AYK1 Firmware

Samsung Galaxy A25 5G A253CONS1AYK1 is an Android 16 firmware for RKT. 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 A253CONU1AYJ5, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-A253C is available: A253CONS1BZI2.

OS updates guaranteed until: Android 17Security updates until: Feb 26, 2028
9.2/10 (26)329 times
Android 16
OS Version
2025-11-13
Build Date
2025-11-01
Security patch
1
Countries
1
CSC codes
1
Bootloader binary

Bootloader binary 1. 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: A253CONS1AYK1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A253C
    RKT
    		A253CQKT1AYK1 2025-11-20 6.141 GiB
    SM-A253C_1_20251113144010_lmy61tly1a_fac.zip

    No matching downloads

    How to flash A253CONS1AYK1

    • A253CONS1AYK1 has bootloader binary 1. Your device must run binary 1 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.

    What's new in A253CONS1AYK1

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    Security patch: November 2025

    SMR Nov-2025 fixes 33 vulnerabilities, 2 of them critical. Android Security Bulletin: 24, Samsung Semiconductor: 5, Samsung-specific issues (SVE): 4.

    Most severe Samsung fixes:

    • high Out-of-bounds write in handling opcode in fingerprint trustlet (CVE-2025-21071)
    • high Out-of-bounds read in libimagecodec.quram.so (CVE-2025-21074)
    • high Out-of-bounds write in libimagecodec.quram.so (CVE-2025-21075)

    All fixes and Galaxy models with this patch

    Frequently Asked Questions

    A253CONS1AYK1 is Android 16 firmware for Samsung Galaxy A25 5G, released for RKT. It includes the 2025-11-01 security patch. Samsung built it on 2025-11-13.

    SMR Nov-2025 fixes 33 vulnerabilities, 2 of them critical. Android Security Bulletin: 24, Samsung Semiconductor: 5, Samsung-specific issues (SVE): 4.

    No. A newer build for SM-A253C is available: A253CONS1BZI2. Install it instead of A253CONS1AYK1 unless you need this exact version. The previous build was A253CONU1AYJ5.

    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 6.141 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A25 5G must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy A25 5G running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 6 other builds of this model use the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy A25 5G

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    One UI 8.5
    Visual design

    Fresh new look
    One UI seamlessly integrates into your daily routine by combining immersive visuals with meaningful personalization for a more refined and sophisticated design. Transparent blur effects add depth and make content easier to navigate, while floating elements react organically to your workflow for a more focused experience. Through familiar and intuitive data visualization, One UI delivers a design that feels both personal and relatable, helping you focus...

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    No changelog details available.
    Model firmware by region