Samsung Galaxy A06 5G A066BXXS2AYD2
SM-A066B 4 countries Android 15

Samsung Galaxy A06 5G A066BXXS2AYD2 Firmware

Samsung Galaxy A06 5G A066BXXS2AYD2 is an Android 15 firmware for 4 countries, 5 CSC codes. 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 A066BXXU1AYC4: bootloader binary raised from 1 to 2, so after installing it there is no way back to older builds; security patch 2025-04-01 instead of 2025-01-01. A newer build for SM-A066B is available: A066BXXS8CZI1.

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Android 15
OS Version
2025-04-10
First release
other regions until 2025-04-21
2025-04-01
Security patch
4
Countries
5
CSC codes
2
Bootloader binary

Bootloader binary 2. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A06 5G use bootloader binary 8 (latest: A066BXXS8CZI1). If your device already runs binary 8, this build cannot be flashed.

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#.
    Your CSC is in Settings → About phone (About tablet) → Software information, or dial *#1234#. The CSC sets your region's features and network bands. Download the firmware for your country.
    MODEM/CP Version: A066BXXS2AYD2
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-A066B
    AFR, DKR Kenya
    ECT Nigeria
    XFA South Africa
    		A066BOJV2AYD2 2025-04-21 2025-04-21 6.191 GiB
    SM-A066B_1_20250410211611_0r2qcvkpzr_fac.zip
    SM-A066B
    INS India
    		A066BODM2AYD2 2025-04-10 2025-04-10 6.602 GiB
    SM-A066B_1_20250408081131_t9wf5tn561_fac.zip

    No matching downloads

    What's new in A066BXXS2AYD2

    • Security
    The device is protected with improved security.

    How to flash A066BXXS2AYD2

    • A066BXXS2AYD2 has bootloader binary 2. Your device must run binary 2 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.

    Frequently Asked Questions

    A066BXXS2AYD2 is Android 15 firmware for Samsung Galaxy A06 5G, released for 4 countries, 5 CSC codes. It includes the 2025-04-01 security patch. Samsung built it on 2025-04-10.

    No. A newer build for SM-A066B is available: A066BXXS8CZI1. Install it instead of A066BXXS2AYD2 unless you need this exact version. The previous build was A066BXXU1AYC4.

    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 Samsung Galaxy A06 5G must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy A06 5G running binary 2 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 A06 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.

    • 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.

    • Security
    The device is protected with improved security.

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

    Show 15 older builds

    • Security
    The device is protected with improved security.

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

    • Security
    The device is protected with improved security.

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

    • Security
    The device is protected with improved security.

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

    • Security
    The device is protected with improved security.

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

    • 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 8.0 (Android 16)
    Productivity

    Check stock prices without unlocking
    Stocks you follow on Google Finance with big price changes will appear on your Now bar at the end of the trading day.

    Easier file sharing with Quick Share
    It's never been easier to send and receive files. Tap the Quick Share button in quick settings to get started. You can receive files while the Quick Share screen is open and send files to others directly from Quick Share.

    Sticky notes
    Add quick annotations on top o...

    One UI 8.0 (Android 16)
    Productivity

    Check stock prices without unlocking
    Stocks you follow on Google Finance with big price changes will appear on your Now bar at the end of the trading day.

    Easier file sharing with Quick Share
    It's never been easier to send and receive files. Tap the Quick Share button in quick settings to get started. You can receive files while the Quick Share screen is open and send files to others directly from Quick Share.

    Sticky notes
    Add quick annotations on top o...

    • Security
    The device is protected with improved security.

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

    • Security
    The device is protected with improved security.

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

    • Security
    The device is protected with improved security.

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

    • Security
    The device is protected with improved security.

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

    • Security
    The device is protected with improved security.

    • Security
    The device is protected with improved security.

    • Stability and reliability
    Device behavior has been improved.

    • Stability and reliability
    Device behavior has been improved.

    Model firmware by region