Samsung Galaxy Z Fold8 Ultra F976WVLU3AZI5
SM-F976W 2 countries Android 17

Samsung Galaxy Z Fold8 Ultra F976WVLU3AZI5 Firmware

Samsung Galaxy Z Fold8 Ultra F976WVLU3AZI5 is an Android 17 firmware for Canada (BMC, BWA, CHR, ESK, FMC, GLW, KDO, PCM, PMB, XAC), FIZ. 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 F976WVLS2AZH7: bootloader binary raised from 2 to 3, so after installing it there is no way back to older builds; security patch 2026-09-05 instead of 2026-08-05. This is the newest build for SM-F976W.

Download firmware
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Android 17
OS Version
2026-09-08
Build Date
2026-09-05
Security patch
2
Countries
11
CSC codes
3
Bootloader binary

Bootloader binary 3. 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#.
    MODEM/CP Version: F976WVLU3AZI5
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-F976W
    BMC, BWA, CHR, ESK, FMC, GLW, KDO, PCM, PMB, XAC Canada
    FIZ
    		F976WOYV3AZI5 2026-09-21 17.123 GiB
    SM-F976W_1_20260908132320_iygvkw6nt1_fac.zip

    No matching downloads

    How to flash F976WVLU3AZI5

    • F976WVLU3AZI5 has bootloader binary 3. Your device must run binary 3 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 F976WVLU3AZI5

    • 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 patch: September 2026

    SMR Sep-2026 fixes 80 vulnerabilities, 20 of them critical. Android Security Bulletin: 58, Samsung Semiconductor: 1, Samsung-specific issues (SVE): 21.

    Most severe Samsung fixes:

    • critical Heap-based buffer overflow in DNG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code. (CVE-2026-21095)
    • critical Heap-based buffer overflow in JPEG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code. (CVE-2026-21096)
    • high Out-of-bounds write in libmdnie.so prior to SMR Sep-2026 Release 1 allows local attackers to execute arbitrary code with system server privilege. (CVE-2026-21087)

    All fixes and Galaxy models with this patch

    Rollout of F976WVLU3AZI5 by region

    Samsung released this build in all regions (11) on the same day, September 21, 2026.

    Device specifications

    • Display diagonal20.3 cm (8")
    • Display resolution2504 x 2256 pixels
    • RAM12 GB
    • Rear camera resolution200 MP
    • Rear camera typeTriple camera
    • Battery capacity5000 mAh
    • Weight215 g

    Specifications of SM-F976B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    F976WVLU3AZI5 is Android 17 firmware for Samsung Galaxy Z Fold8 Ultra, released for Canada (BMC, BWA, CHR, ESK, FMC, GLW, KDO, PCM, PMB, XAC), FIZ. It includes the 2026-09-05 security patch. Samsung built it on 2026-09-08.

    SMR Sep-2026 fixes 80 vulnerabilities, 20 of them critical. Android Security Bulletin: 58, Samsung Semiconductor: 1, Samsung-specific issues (SVE): 21.

    Yes. F976WVLU3AZI5 is the newest build for SM-F976W on SamFirm. The previous build was F976WVLS2AZH7.

    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 17.123 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Z Fold8 Ultra must be on bootloader binary 3 or lower.

    This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy Z Fold8 Ultra running binary 3 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". No other build of this model uses binary 3.

    Other builds and changelog for Samsung Galaxy Z Fold8 Ultra

    • 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.

    • 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