Samsung Galaxy Z Fold3 5G F926USQSFKZB7
SM-F926U 2 countries Android 15

Samsung Galaxy Z Fold3 5G F926USQSFKZB7 Firmware

Samsung Galaxy Z Fold3 5G F926USQSFKZB7 is an Android 15 firmware for CHA, United States (ATT, CCT, TMB, TMK, VZW). 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 F926USQSFKZB6, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-F926U is available: F926USQSHKZH2.

OS updates guaranteed until: Android 15Security updates until: Aug 23, 2026
8.7/10 (125)5,040 times
Android 15
OS Version
2026-03-23
Build Date
2026-02-05
Security patch
2
Countries
6
CSC codes
F (15)
Bootloader binary

Bootloader binary F (15). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy Z Fold3 5G use bootloader binary H (17) (latest: F926USQSHKZH2). If your device already runs binary H (17), 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: F926USQSFKZB7
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-F926U
    ATT United States
    		F926UOYNFKZB7 2026-03-23 2026-03-23 8.167 GiB
    SM-F926U_5_20260312131022_b9piois8y4_fac.zip
    SM-F926U
    CCT United States
    		F926UOYNFKZB7 2026-03-23 2026-03-23 8.128 GiB
    SM-F926U_5_20260312141521_o2lwpdgzmj_fac.zip
    SM-F926U
    CHA
    		F926UOYNFKZB7 2026-03-23 2026-03-23 8.131 GiB
    SM-F926U_5_20260312143401_ls1yj6h1am_fac.zip
    SM-F926U
    TMB United States
    		F926UOYNFKZB7 2026-03-23 2026-03-23 8.14 GiB
    SM-F926U_5_20260312133041_2774xe2n2h_fac.zip
    SM-F926U
    TMK United States
    		F926UOYNFKZB7 2026-03-23 2026-03-23 8.14 GiB
    SM-F926U_5_20260312134941_05d7tnr8jr_fac.zip
    SM-F926U
    VZW United States
    		F926UOYNFKZB7 2026-03-23 2026-03-23 8.244 GiB
    SM-F926U_5_20260312122641_t6ncobj53a_fac.zip

    No matching downloads

    Device specifications

    • Launched withAndroid 11
    • Display diagonal19.3 cm (7.6")
    • Display resolution2208 x 1768 pixels
    • RAM12 GB
    • RAM typeLPDDR5
    • Rear camera resolution12 MP
    • Rear camera typeTriple camera
    • Battery capacity4400 mAh
    • Weight271 g

    Specifications of SM-F926B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in F926USQSFKZB7

    • 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 F926USQSFKZB7

    • F926USQSFKZB7 has bootloader binary F (15). Your device must run binary F (15) 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

    F926USQSFKZB7 is Android 15 firmware for Samsung Galaxy Z Fold3 5G, released for CHA, United States (ATT, CCT, TMB, TMK, VZW). It includes the 2026-02-05 security patch. Samsung built it on 2026-03-23.

    No. A newer build for SM-F926U is available: F926USQSHKZH2. Install it instead of F926USQSFKZB7 unless you need this exact version. The previous build was F926USQSFKZB6.

    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 Fold3 5G must be on bootloader binary F (15) or lower.

    This build uses bootloader binary F (15). It can be flashed on a Samsung Galaxy Z Fold3 5G running binary F (15) 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 Fold3 5G

    • 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.

    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.

    • The security of your device has been improved.

    One UI 7.0 Upgrade (Android 15)
    Bold new look

    Visual enhancements
    Enjoy a more sophisticated and unique look. One UI 7 introduces a stunning redesign to key components including buttons, menus, notifications and control bars, providing a more consistent visual experience with curves and circles. Beautiful new colors, soft animations, and an innovative blur effect that's unique to One UI make information hierarchy clearer and help you focus on important information.

    Reimagined Home screen
    Fr...

    No changelog details available.

    • The security of your device has been improved.

    No changelog details available.

    • The security of your device has been improved.

    No changelog details available.

    • The security of your device has been improved.

    No changelog details available.

    • The security of your device has been improved.

    No changelog details available.

    • The security of your device has been improved.

    Model firmware by region