Samsung Galaxy A26 5G A266BXXSBCZG2
SM-A266B 38 countries Android 16

Samsung Galaxy A26 5G A266BXXSBCZG2 Firmware

Samsung Galaxy A26 5G A266BXXSBCZG2 is an Android 16 firmware for 38 countries, 52 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 A266BXXSACZF2: bootloader binary raised from A (10) to B (11), so after installing it there is no way back to older builds; security patch 2026-07-05 instead of 2026-06-05. A newer build for SM-A266B is available: A266BXXUCDZJ6.

OS updates guaranteed until: Android 21Security updates until: Mar 30, 2031
Download firmware
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Android 16
OS Version
2026-07-10
First release
other regions until 2026-07-13
2026-07-05
Security patch
38
Countries
52
CSC codes
B (11)
Bootloader binary

Bootloader binary B (11). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A26 5G use bootloader binary C (12) (latest: A266BXXUCDZJ6). If your device already runs binary C (12), 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.
    4
    MODEM/CP Version: A266BXXSBCZG2
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-A266B
    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
    		A266BOJMBCZG2 2026-07-13 2026-07-28 8.461 GiB
    SM-A266B_3_20260713162341_jdiomq21a1_fac.zip
    		Download
    SM-A266B
    BOG, SFR France
    CAC Uzbekistan
    CAU, SKZ Kazakhstan
    EUX, EUY Europe
    +10 more countries
    MEO Portugal
    MET Ireland
    MOT, SIM Slovenia
    MSR Serbia
    PLS, PRT Poland
    SWC Switzerland
    TOP Montenegro
    TUR Turkey
    VIP Croatia
    SOZ
    		A266BOXMBCZG2 2026-07-10 2026-07-27 8.878 GiB
    SM-A266B_2_20260710180611_af10q6wxzi_fac.zip
    		Download
    SM-A266B
    BRI Taiwan
    GLB, XTC Philippines
    MM1, SIN, STH, XSP Singapore
    THL Thailand
    +5 more countries
    XID Indonesia
    XME Malaysia
    XNZ New Zealand
    XSA Australia
    XXV Vietnam
    		A266BOLMBCZG2 2026-07-13 2026-07-23 8.64 GiB
    SM-A266B_3_20260713161941_jqxt3m9di0_fac.zip
    		Download
    SM-A266B
    VFJ Fiji
    		A266BVFJBCZG2 2026-07-13 2026-07-27 8.46 GiB
    SM-A266B_3_20260713162120_h8r7obyuic_fac.zip
    		Download

    No matching downloads

    How to flash A266BXXSBCZG2

    • A266BXXSBCZG2 has bootloader binary B (11). Your device must run binary B (11) 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 A266BXXSBCZG2

    • 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 patch: July 2026

    SMR Jul-2026 fixes 53 vulnerabilities, 6 of them critical. Android Security Bulletin: 39, Samsung-specific issues (SVE): 14.

    Most severe Samsung fixes:

    • critical Out-of-bounds write in libsavsac.so prior to SMR Jul-2026 Release 1 allows remote attackers to execute arbitrary code. (CVE-2026-21042)
    • high Improper authorization in KnoxGuardManager prior to SMR Jul-2026 Release 1 allows local attackers to bypass the persistence configuration of the application. (CVE-2026-21044)
    • high Out-of-bounds write in parsing TIFF format in libimagecodec.media.quram.so prior to SMR Jul-2026 Release 1 allows remote attackers to write out-of-bounds memory. (CVE-2026-21045)

    All fixes and Galaxy models with this patch

    Rollout of A266BXXSBCZG2 by region

    First release
    July 23, 2026
    Last region
    August 5, 2026
    Duration
    14 days
    Regions
    52
    1. Day 1 · · 2 regions
      MalaysiaXMEVietnamXXV
    2. Day 5 · · 27 regions
      AustraliaXSACroatiaVIPEuropeEUXEUYFijiVFJFranceBOGSFRIndonesiaXIDIrelandMETMontenegroTOPNew ZealandXNZPhilippinesGLBXTCPolandPLSPRTPortugalMEO
      +7 more countries
      SerbiaMSRSingaporeMM1SINSTHXSPSloveniaMOTSIMSwitzerlandSWCTaiwanBRIThailandTHLTurkeyTUR
    3. Day 6 · · 21 regions
      AfghanistanAFGEgyptEGYIraqMIDKazakhstanCAUSKZKenyaAFRDKRLibyaLYSMoroccoFWDMWDNigeriaECTPakistanPAKPKDSaudi ArabiaACRKSASouth AfricaXFAXFVTunisiaTUN
      +3 more countries
      United Arab EmiratesXSGUzbekistanCACSOZ
    4. Day 14 · · 2 regions
      IsraelILOILP

    Device specifications

    • Launched withAndroid 15
    • Display diagonal17 cm (6.7")
    • Display resolution1080 x 2340 pixels
    • Processor familySamsung Exynos
    • RAM6 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • SIM cardsDual SIM
    • Battery capacity5000 mAh
    • Weight200 g

    Frequently Asked Questions

    A266BXXSBCZG2 is Android 16 firmware for Samsung Galaxy A26 5G, released for 38 countries, 52 CSC codes. It includes the 2026-07-05 security patch. Samsung built it on 2026-07-10.

    SMR Jul-2026 fixes 53 vulnerabilities, 6 of them critical. Android Security Bulletin: 39, Samsung-specific issues (SVE): 14.

    No. A newer build for SM-A266B is available: A266BXXUCDZJ6. Install it instead of A266BXXSBCZG2 unless you need this exact version. The previous build was A266BXXSACZF2.

    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 A26 5G must be on bootloader binary B (11) or lower.

    This build uses bootloader binary B (11). It can be flashed on a Samsung Galaxy A26 5G running binary B (11) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 2 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 A26 5G

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    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.

    No changelog details available.
    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.

    Model firmware by region