Samsung Galaxy S26 Ultra S948BXXS2AZCL
SM-S948B 37 countries Android 16

Samsung Galaxy S26 Ultra S948BXXS2AZCL Firmware

Samsung Galaxy S26 Ultra S948BXXS2AZCL is an Android 16 firmware for 37 countries, 49 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 S948BXXU1AZCF: bootloader binary raised from 1 to 2, so after installing it there is no way back to older builds; security patch 2026-04-05 instead of 2026-02-05. A newer build for SM-S948B is available: S948BXXS4BZIG.

OS updates guaranteed until: Android 23Security updates until: Feb 23, 2033
9.1/10 (120)35,009 times
Android 16
OS Version
2026-03-26
First release
other regions until 2026-04-06
2026-04-05
Security patch
37
Countries
49
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 S26 Ultra use bootloader binary 4 (latest: S948BXXS4BZIG). If your device already runs binary 4, 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.
    5
    MODEM/CP Version: S948BXXS2AZCL
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-S948B
    ACR, KSA Saudi Arabia
    AFG Afghanistan
    AFR, DKR Kenya
    ECT Nigeria
    +11 more countries
    EGY Egypt
    EUX Europe
    FWD, MWD Morocco
    ILO Israel
    LYS Libya
    MID Iraq
    PKD Pakistan
    TUN Tunisia
    XFA, XFV South Africa
    XSG United Arab Emirates
    ILP
    		S948BOXM2AZCL 2026-04-06 2026-04-06 18.735 GiB
    SM-S948B_1_20260326042311_wcpa61unh0_fac.zip
    SM-S948B
    BKD Bangladesh
    INS India
    NPB Nepal
    SLK Sri Lanka
    		S948BOXM2AZCL 2026-04-06 2026-04-06 18.385 GiB
    SM-S948B_1_20260326033521_lg2cf6yayj_fac.zip
    SM-S948B
    BOG, SFR France
    EUY Europe
    MOB Austria
    PLS, PRT Poland
    +3 more countries
    SIM Slovenia
    SWC Switzerland
    TUR Turkey
    		S948BOXM2AZCL 2026-04-06 2026-04-06 22.364 GiB
    SM-S948B_1_20260326012831_y3b2fqk2nr_fac.zip
    SM-S948B
    CAC Uzbekistan
    CAU, SKZ Kazakhstan
    SER Russia
    SOZ
    		S948BOXM2AZCL 2026-04-06 2026-04-06 18.428 GiB
    SM-S948B_1_20260326023401_wuqw3znddf_fac.zip
    SM-S948B
    GLB, XTC Philippines
    MM1, SIN, STH, XSP Singapore
    THL Thailand
    XID Indonesia
    +4 more countries
    XME Malaysia
    XNZ New Zealand
    XSA Australia
    XXV Vietnam
    		S948BOXM2AZCL 2026-04-06 2026-04-06 21.243 GiB
    SM-S948B_1_20260325232201_wegqckjhj0_fac.zip

    No matching downloads

    Device specifications

    • Launched withAndroid 16.0
    • Display diagonal17.5 cm (6.9")
    • Display resolution3120 x 1440 pixels
    • Processor frequency3.6 GHz
    • Processor familySnapdragon
    • Processor model8 Elite Gen 5
    • RAM12 GB
    • Rear camera resolution200 MP
    • Rear camera typeQuad camera
    • SIM cardsDual SIM
    • Battery capacity5000 mAh
    • Weight214 g

    What's new in S948BXXS2AZCL

    • Security
    The device is protected with improved security.

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

    How to flash S948BXXS2AZCL

    • S948BXXS2AZCL 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

    S948BXXS2AZCL is Android 16 firmware for Samsung Galaxy S26 Ultra, released for 37 countries, 49 CSC codes. It includes the 2026-04-05 security patch. Samsung built it on 2026-03-26.

    No. A newer build for SM-S948B is available: S948BXXS4BZIG. Install it instead of S948BXXS2AZCL unless you need this exact version. The previous build was S948BXXU1AZCF.

    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 S26 Ultra must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy S26 Ultra running binary 2 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 7 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 S26 Ultra

    • 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 9
    Galaxy AI

    Enhanced Now nudge
    Now nudge provides helpful suggestions in more places throughout your Galaxy experience. In addition to the keyboard, suggestions will now appear in conversation notifications and in a floating button in the bottom right corner of the screen. There are also several new types of suggestions, like entering reservation details or addresses and saving places in Google Maps.

    Focus on someone important
    My FanCam lets you select a person in a video and follow...

    • 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

    • 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.

    • Security
    The device is protected with improved security.

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

    • Overall stability of functions improved.
    • The security of your device has been improved.

    • Security
    The device is protected with improved security.

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

    • Overall stability of functions improved.
    • The security of your device has been improved.

    • 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.

    • Overall stability of functions improved.
    • The security of your device has been improved.

    • 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.
    Model firmware by region