Samsung Galaxy Z Fold8 F971BXXU1AZGI
SM-F971B 26 countries Android 17

Samsung Galaxy Z Fold8 F971BXXU1AZGI Firmware

Samsung Galaxy Z Fold8 F971BXXU1AZGI is an Android 17 firmware for 26 countries, 33 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 F971BXXU1AZFW, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-F971B is available: F971BXXS3AZIK.

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Android 17
OS Version
2026-07-24
First release
other regions until 2026-07-28
2026-06-05
Security patch
26
Countries
33
CSC codes
1
Bootloader binary

Bootloader binary 1. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy Z Fold8 use bootloader binary 3 (latest: F971BXXS3AZIK). If your device already runs binary 3, 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.
    6
    MODEM/CP Version: F971BXXU1AZGI
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-F971B
    ACR Saudi Arabia
    DKR Kenya
    ECT Nigeria
    XSG United Arab Emirates
    		F971BOXM1AZGI 2026-07-25 2026-08-01 18.224 GiB
    SM-F971B_1_20260725013951_l4ld4sfw1x_fac.zip
    SM-F971B
    CAC Uzbekistan
    CAU Kazakhstan
    EUX, EUY Europe
    ILO Israel
    +6 more countries
    KSA Saudi Arabia
    PLS, PRT Poland
    SEK Ukraine
    TUR Turkey
    XFV South Africa
    XXV Vietnam
    		F971BOXM1AZGI 2026-07-24 2026-08-01 22.367 GiB
    SM-F971B_1_20260724233341_hvq8hr264t_fac.zip
    SM-F971B
    CDR, DOR Dominican Republic
    CGU, GTO, PGU Guatemala
    ECO Ecuador
    EON Trinidad & Tobago
    +2 more countries
    TCE Mexico
    ZTO, ZVV Brazil
    		F971BOWO1AZGI 2026-07-24 2026-08-01 18.264 GiB
    SM-F971B_1_20260724215701_w2as3knduo_fac.zip
    SM-F971B
    GLB Philippines
    MM1 Singapore
    THL Thailand
    XID Indonesia
    +1 more country
    XSA Australia
    		F971BOXM1AZGI 2026-07-25 2026-08-01 20.863 GiB
    SM-F971B_1_20260725003541_c83g5pmc45_fac.zip
    SM-F971B
    GLO
    		F971BOWO1AZGI 2026-07-28 2026-08-04 18.264 GiB
    SM-F971B_1_20260728152321_umm33xtr7d_fac.zip
    SM-F971B
    INS India
    		F971BOXM1AZGI 2026-07-24 2026-08-01 17.912 GiB
    SM-F971B_1_20260724220001_8d7e38ysen_fac.zip

    No matching downloads

    Device specifications

    • Display diagonal19.3 cm (7.6")
    • Display resolution1848 x 2448 pixels
    • Processor frequency3.6 GHz
    • Processor familySnapdragon
    • Processor model8 Elite Gen 5
    • RAM12 GB
    • Rear camera resolution50 MP
    • Rear camera typeDual camera
    • SIM cardsDual SIM
    • Battery capacity4800 mAh
    • Weight201 g

    What's new in F971BXXU1AZGI

    • Stability and reliability
    Device behavior has been improved.

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

    How to flash F971BXXU1AZGI

    • F971BXXU1AZGI has bootloader binary 1. Your device must run binary 1 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

    F971BXXU1AZGI is Android 17 firmware for Samsung Galaxy Z Fold8, released for 26 countries, 33 CSC codes. It includes the 2026-06-05 security patch. Samsung built it on 2026-07-24.

    No. A newer build for SM-F971B is available: F971BXXS3AZIK. Install it instead of F971BXXU1AZGI unless you need this exact version. The previous build was F971BXXU1AZFW.

    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 Z Fold8 must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy Z Fold8 running binary 1 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 Z Fold8

    • 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.

    No changelog details available.

    • Stability and reliability
    Device behavior 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.

    Show 2 older builds

    • Stability and reliability
    Device behavior has been improved.

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

    No changelog details available.
    Model firmware by region