Samsung Galaxy A36 5G A366BXXUCDZIF
SM-A366B 33 countries Android 17

Samsung Galaxy A36 5G A366BXXUCDZIF Firmware

Samsung Galaxy A36 5G A366BXXUCDZIF is an Android 17 firmware for 33 countries, 46 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 A366BXXSCCZH1: Android updated from Android 16 to Android 17; security patch 2026-09-05 instead of 2026-08-05. This is the newest build for SM-A366B.

OS updates guaranteed until: Android 21. Security updates until: Mar 23, 2031
8.9/10 (23)10,923 times
Android 17
OS Version
2026-09-29
Build Date
2026-09-05
Security patch
33
Countries
46
CSC codes
C (12)
Bootloader binary

Bootloader binary C (12). 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#.
    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.
    3
    MODEM/CP Version: A366BXXUCDZIF
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A366B
    ACR, KSA Saudi Arabia
    AFG Afghanistan
    AFR, DKR Kenya
    ECT Nigeria
    +10 more countries
    EGY Egypt
    FWD, MWD Morocco
    ILO Israel
    LYS Libya
    MID Iraq
    PAK, PKD Pakistan
    TUN Tunisia
    XFA, XFV South Africa
    XSG United Arab Emirates
    ILP
    A366BOJMCDZIF 2026-10-19 9.855 GiB
    SM-A366B_3_20260929101441_0h6bo7q12n_fac.zip
    SM-A366B
    BOG, SFR France
    EUX, EUY Europe
    MEO Portugal
    MOB Austria
    +7 more countries
    MOT, SIM Slovenia
    MSR Serbia
    PLS, PRT Poland
    SWC Switzerland
    TOP Montenegro
    TUR Turkey
    VIP Croatia
    A366BOXMCDZIF 2026-10-19 10.037 GiB
    SM-A366B_3_20260929100712_48mwjzjmhj_fac.zip
    SM-A366B
    GLB, XTC Philippines
    MM1, SIN, STH, XSP Singapore
    THL Thailand
    XID Indonesia
    +4 more countries
    XME Malaysia
    XNZ New Zealand
    XSA Australia
    XXV Vietnam
    A366BOLMCDZIF 2026-10-19 10.028 GiB
    SM-A366B_3_20260929103310_qqmkr2nwrq_fac.zip

    No matching downloads

    Device specifications

    • Launched withAndroid 15
    • Display diagonal17 cm (6.7")
    • Display resolution1080 x 2340 pixels
    • Processor familySnapdragon
    • RAM6 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • SIM cardsDual SIM
    • Battery capacity5000 mAh
    • Weight195 g

    What's new in A366BXXUCDZIF

    One UI 9
    Productivity and multitasking

    More customizable quick panel
    You can now rearrange and customize the controls in your quick panel even more than before. You can change the size of the brightness and volume sliders as well as the media player. You can also separate the sound mode button from the volume slider.

    Privacy, security, and device protection

    Warranty and care
    The new Warranty and care menu in settings lets you check your warranty information and access diagnostic checks and useful information for keeping your Galaxy in top condition.

    Lock down your phone quickly
    It's now easier to securely lock your phone in a hurry. Just press and hold the Volume down and Side buttons at the same time or tap the Power button in the quick panel. This prevents biometrics from being used the next time you unlock your phone.

    Location access transparency
    Stay on top of your location privacy. A blue indicator will appear at the top of the screen when an app accesses your location. Tap the indicator in the quick panel to see which app it is.

    Samsung Health

    New look for Samsung Health
    Samsung Health has been redesigned to make your health data easier to understand. Enjoy clearer visuals, improved charts, and a more engaging experience to help you reach your health goals.

    Customize your Health home screen
    Resize cards and organize them by category, like Activity, Sleep, Mindfulness, and Nutrition, so your top priorities are easy to access.

    Log health data quickly
    It's now easier to add your health information right from the Samsung Health home screen. You can log your mood, meals, and more. You can even use the camera for faster input.

    Advanced trend analysis
    Track your progress with improved trend charts in Samsung Health. View data in hourly, daily, or weekly intervals, pinch to zoom in for a closer look, and overlay multiple charts to compare your performance across different periods.

    Monitor changes in your sleep vitals
    Samsung Health helps you notice meaningful changes in your sleep health data. Use Galaxy Watch or Ring measurements to better understand your daily health patterns.

    Manage your heart health
    Track key health metrics and lifestyle factors that affect your heart. A daily score based on your sleep, exercise, BMI, and vascular load helps you better understand your current heart health trends.

    Track your cardio load
    See how your workouts and activity impact your heart so you'll know when to push harder and when to rest. Your target cardio load range adjusts daily based on your recent activity and training focus.

    Check your fitness index
    Your Fitness Index is an overall score calculated using five key fitness metrics: body composition, cardio, strength, flexibility, and endurance. Set a goal and unlock personalized insights tailored to your results.

    Keep your ears safe
    The new Hearing tracker monitors sound levels detected by your Galaxy Watch and headphone audio levels to help you manage your exposure to loud sounds.

    View your cycle and body rhythm
    Get a more personalized view of your cycle and body rhythm with new cycle tracking options. You can view your cycle information in your calendar and better understand your health patterns.

    Bixby

    Manage your conversations
    Keep your chats organized. Search them, rename them, or pin your favorites. You can also delete all of your past conversations at once.

    Bixby on the Home screen
    Add a Bixby widget to type or talk to Bixby or jump directly to your conversation history.

    Accessibility

    Discover new Accessibility features
    Check the What's new menu in Accessibility settings to learn about and try the latest Accessibility features for your Galaxy.

    Text spotlight for easier reading
    Need a closer look? Tap any text on the screen to show it enlarged and highlighted in its own window. You can also customize the font size, colors, and other settings to match your preferences.

    Physical keyboard shortcuts
    Use shortcuts on your physical keyboard to access the Accessibility settings you need without touching the screen.

    Mouse keys enhancements
    New options are available when using your keyboard for mouse interactions including speed and acceleration control. You can also use the keyboard's number pad to point and click.

    Replace swipe with single tap
    The Replace swipe with single tap option is now located in the Dexterity and interaction menu instead of the Assistant menu for easier access.

    Select to speak
    Get quick audio readouts without turning on full TalkBack. With the new Select to speak feature, you can select an item on your screen, like text or an image, and hear it read or described out loud.

    Improved TalkBack updates
    TalkBack updates can now be applied with a simple app update from the Play Store, helping you get the latest accessibility features and enhancements.

    Even more improvements

    New Lock screen clock
    The default clock on your Lock screen has been redesigned with a cleaner and more modern look that adapts to match your wallpaper.

    How to flash A366BXXUCDZIF

    • A366BXXUCDZIF has bootloader binary C (12). Your device must run binary C (12) 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

    A366BXXUCDZIF is Android 17 firmware for Samsung Galaxy A36 5G, released for 33 countries, 46 CSC codes. It includes the 2026-09-05 security patch. Samsung built it on 2026-09-29.

    Yes. A366BXXUCDZIF is the newest build for SM-A366B on SamFirm. The previous build was A366BXXSCCZH1.

    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 A36 5G must be on bootloader binary C (12) or lower.

    This build uses bootloader binary C (12). It can be flashed on a Samsung Galaxy A36 5G running binary C (12) 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 A36 5G

    One UI 9
    Productivity and multitasking

    More customizable quick panel
    You can now rearrange and customize the controls in your quick panel even more than before. You can change the size of the brightness and volume sliders as well as the media player. You can also separate the sound mode button from the volume slider.

    Privacy, security, and device protection

    Warranty and care
    The new Warranty and care menu in settings lets you check your warranty information and access diagnostic checks a...

    • 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.

    Show 15 older builds
    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.

    • 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.

    • Stability and reliability
    Device behavior has been improved.

    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...

    • 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.

    • The usability of device operations has been improved.

    • Press and hold the Side button to access Google Gemini
    The Side button is a new way to access Google Gemini or other digital assistant app quickly instead of using the corner swipe. You can change what the Side button does in Settings.
    • Complete multiple tasks with one ask
    Google Gemini is now seamlessly integrated with Samsung apps such as Calendar, Notes, Reminder, and Clock. You can complete tasks in these apps using information from Gemini with one simple command. Try asking Google Gemini...

    • Stability and reliability
    Device behavior has been improved.
    • Security
    The device is protected with improved security.