Samsung Galaxy Tab S10 FE X520ZCU4BYI7

Samsung Galaxy Tab S10 FE X520ZCU4BYI7 Firmware

Samsung Galaxy Tab S10 FE X520ZCU4BYI7 is an Android 16 firmware for China (CHN). 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 X520ZCS4AYH2 https://samfirm.shop/build/X520ZCS4AYH2: Android updated from Android 15 to Android 16. A newer build for SM-X520 is available: X520XXSBCZI2 https://samfirm.shop/build/X520XXSBCZI2.

OS updates guaranteed until: Android 22. Security updates until: Apr 27, 2032
Download firmware
8.8/10 (34)77 times
Android 16
OS Version
2025-09-26
Build Date
2025-08-01
Security patch
1
Countries
1
CSC codes
4
Bootloader binary

Bootloader binary 4. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy Tab S10 FE use bootloader binary B (11) (latest: X520XXSBCZI2 https://samfirm.shop/build/X520XXSBCZI2). If your device already runs binary B (11), 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#.
    MODEM/CP Version: X520ZCU4BYI7
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-X520
    CHN China
    X520CHN4BYI7 2025-10-13 8.181 GiB
    SM-X520_1_20250926144241_ygii4y44ip_fac.zip

    No matching downloads

    How to flash X520ZCU4BYI7

    • X520ZCU4BYI7 has bootloader binary 4. Your device must run binary 4 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 X520ZCU4BYI7

    One UI 8.0 (Android 16)
    Productivity

    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 of documents in Samsung Notes. There's no limit to the number of sticky notes you can add, and it's easy to remove them later without disturbing the original document.

    Multi-pane file browsing
    It's easier to keep track of file paths when using My Files on a large screen. When you open a new folder, a new pane will be opened to show what's inside so you can easily get back to where you came from.

    Redesigned Samsung Internet
    Access the features you need quickly. The Samsung Internet menu has been optimized to make it easy to access the features you use most. You can also customize the layout to match your personal preferences.

    Multitasking

    Enhanced split screen view
    While 2 apps are open in split screen view, you can push one app against the edge of the screen to keep it partially visible while giving most of your focus to the other app. Tap the smaller app any time to switch between them quickly.

    Open 3 apps in split screen
    While your tablet is in landscape orientation, you can now open 3 apps side-by-side. Apps will appear in portrait view, just like they would look on a standard phone screen.

    Reminder

    New Reminder interface
    The Reminder app has been redesigned with categories shown at the top of the screen, making it easier to see how many reminders are in each category with a quick glance. Custom categories can be hidden with a quick tap to free up more screen space. Tap one more time to make them appear again.

    New sample reminders
    Discover the power of reminders. Sample reminder templates are now available in the Reminder app. Explore these reminders to see what you can do to manage important tasks in your life.

    Add reminders easily
    It's never been easier to add new reminders. Just type your reminder into the box at the bottom of the screen. Suggestions will appear as you type that you can tap to save time. You can add checklists, locations, and pictures using the buttons below the text box. Or, if you don't want to type at all, tap the Mic icon for voice input.

    Calendar

    Multi-pane view
    See more at once on large screens in landscape view. You can view your monthly schedule and the schedule for an individual day side by side.

    Manage reminders in Calendar
    You can easily create reminders in the Calendar app without opening the Reminder app. Whenever you tap the + button, you'll have the choice of adding an event or a reminder. You can also drag and drop reminders on your calendar to reschedule them.

    Add events quickly
    When you start adding an event in the quick add menu, you'll get suggestions for event names and times based on your past events. Just tap one of the suggestions to add an event without additional typing.

    Photo and video

    Swipe up or down to open quick controls
    Access quick controls in Camera even quicker than before by swiping up or down anywhere in the preview area. In Camera settings, change the Swipe up/down option to open quick controls.

    Audio enhancements

    Quick access to Galaxy Buds settings
    It's easier than ever before to control your Galaxy Buds. You can now adjust Buds settings directly from your tablet's Settings without the need to open the Galaxy Wearable app.

    Security and privacy

    Enhanced Secure Folder
    Keep sensitive apps and data in a separate, protected area of your tablet. You can now set Secure Folder to close apps and prevent notifications when you lock it. You can also completely hide and encrypt your Secure Folder for maximum protection.

    Show or hide notification content while locked
    The option to show or hide notification content while your tablet is locked is now located in Notifications settings. Choose to show content for quick access to notifications without unlocking your tablet, or choose to hide content to keep your notifications private and prevent others from seeing them.

    Accessibility

    Pinch and zoom with the Assistant menu
    The Assistant menu now provides more ways to zoom in and out on the screen. In addition to dragging with one finger, you can now adjust the zoom level by pressing buttons on the screen.

    Control mouse actions with your keyboard
    If you can't or don't want to use a mouse, turn on Mouse keys in Accessibility settings to use your physical keyboard to move the mouse pointer, click, hold, and scroll.

    Magnify your keyboard
    You can now make the keys on the on-screen keyboard larger so they're easier to see and tap. Turn on Magnify keyboard while typing in Magnification settings to try it.

    Easily pair Bluetooth hearing aids
    You can now pair and connect your Bluetooth hearing aid devices directly on the Hearing aid support screen in Accessibility settings.

    Modes and routines

    New preset routines
    Check out the new preset routines for weather and other advanced conditions. Use them as they are, or customize them to meet your needs.

    New routine actions
    New actions are available for getting data from the Clock, Calendar, and Samsung Notes apps. After you get data, you can use it in other conditions or actions in your routine.

    Even more improvements

    Easily organize alarms
    You can now add existing alarms to an alarm group by tapping the + button on the Alarm group screen. You can also add an alarm group to a widget on your Home screen so you can turn all of the alarms in the group on or off with a single tap.

    Enhanced app notification settings
    You can now choose the pop-up notification style for each app separately in the app’s notification settings.

    Revamped weather visuals
    The Weather app now provides more rich and realistic images to help you intuitively understand the current weather conditions.

    Security patch: August 2025

    SMR Aug-2025 fixes 36 vulnerabilities, 1 of them critical. Android Security Bulletin: 28, Samsung-specific issues (SVE): 8.

    All fixes and Galaxy models with this patch

    Device specifications

    • Display diagonal27.7 cm (10.9")
    • Display resolution2304 x 1440 pixels
    • Rear camera resolution13 MP
    • Rear camera typeSingle camera
    • Front camera resolution12 MP
    • Wi-Fi standardWi-Fi 6 (802.11ax)
    • Weight497 g

    Specifications of SM-X520N, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    X520ZCU4BYI7 is Android 16 firmware for Samsung Galaxy Tab S10 FE, released for China (CHN). It includes the 2025-08-01 security patch. Samsung built it on 2025-09-26.

    SMR Aug-2025 fixes 36 vulnerabilities, 1 of them critical. Android Security Bulletin: 28, Samsung-specific issues (SVE): 8.

    No. A newer build for SM-X520 is available: X520XXSBCZI2. Install it instead of X520ZCU4BYI7 unless you need this exact version. The previous build was X520ZCS4AYH2.

    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 8.181 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Tab S10 FE must be on bootloader binary 4 or lower.

    This build uses bootloader binary 4. It can be flashed on a Samsung Galaxy Tab S10 FE running binary 4 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 Tab S10 FE

    https://samfirm.shop/build/X520XXSBCZI2

    • Security
    The device is protected with improved security.

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

    https://samfirm.shop/build/X520XXU7CZE3
    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...

    https://samfirm.shop/build/X520XXS7BZB8

    • Security
    The device is protected with improved security.

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

    No changelog details available.
    https://samfirm.shop/build/X520XXS6BZA3

    • 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 4 older builds
    https://samfirm.shop/build/X520XXU4BYJ2

    • Stability and reliability
    Device behavior has been improved.

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

    One UI 8.0 (Android 16)
    Personalization

    Enhanced Lock screen widgets
    Do more on your Lock screen with brief widgets. 2 x 2 size widgets are now available, and the widget area is now larger so you can add even more widgets. You can choose either a horizontal or vertical widget layout.

    Beautiful new wallpapers
    More choices are available to help you find the wallpaper that's right for you. New additions include interactive and dynamic wallpapers like color gradients that change over time.

    P...

    One UI 8.0 (Android 16)
    Productivity

    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 of documents in Samsung Notes. There's no limit to the number of sticky notes you can add, and it's easy to remove them later without disturbing the original...