SM-S721U1 8 countries Android 14

Samsung Galaxy S24 FE S721U1UES3AXL1 Firmware

Samsung Galaxy S24 FE S721U1UES3AXL1 is an Android 14 firmware for 8 countries, 19 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 S721U1UES3AXK7: security patch 2025-01-01 instead of 2024-12-01. A newer build for SM-S721U1 is available: S721U1UEUEEZIF.

OS updates guaranteed until: Android 21Security updates until: Oct 29, 2031
Download firmware
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Android 14
OS Version
2024-12-23
Build Date
2025-01-01
Security patch
8
Countries
19
CSC codes
3
Bootloader binary

Bootloader binary 3. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy S24 FE use bootloader binary E (14) (latest: S721U1UEUEEZIF). If your device already runs binary E (14), 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: S721U1UES3AXL1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-S721U1
    ACG, AIO, ATT, CCT, LRA, TFN, TMB, TMK, USC, VZW, XAA, XAR United States
    ATC, CHA, DSA, DSG, DSH, FKR, XAG
    		S721U1OYM3AXL1 2025-01-16 10.15 GiB
    SM-S721U1_1_20241223195710_4jb5iotd8k_fac.zip

    No matching downloads

    How to flash S721U1UES3AXL1

    • S721U1UES3AXL1 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 S721U1UES3AXL1

    · The security of your device has been improved.

    Security patch: January 2025

    SMR Jan-2025 fixes 40 vulnerabilities, 5 of them critical. Android Security Bulletin: 27, Samsung-specific issues (SVE): 13.

    Most severe Samsung fixes:

    • high Out-of-bounds write in libsthmbc.so (CVE-2025-20881)
    • high Out-of-bounds write in libsthmbc.so (CVE-2025-20882)
    • high Improper access control in SoundPicker (CVE-2025-20883)

    All fixes and Galaxy models with this patch

    Rollout of S721U1UES3AXL1 by region

    Samsung released this build in all regions (19) on the same day, January 16, 2025.

    Device specifications

    • Launched withAndroid 14
    • Display diagonal17 cm (6.7")
    • Display resolution1080 x 2340 pixels
    • RAM8 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • Battery capacity4700 mAh
    • Weight213 g

    Specifications of SM-S721B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    S721U1UES3AXL1 is Android 14 firmware for Samsung Galaxy S24 FE, released for 8 countries, 19 CSC codes. It includes the 2025-01-01 security patch. Samsung built it on 2024-12-23.

    SMR Jan-2025 fixes 40 vulnerabilities, 5 of them critical. Android Security Bulletin: 27, Samsung-specific issues (SVE): 13.

    No. A newer build for SM-S721U1 is available: S721U1UEUEEZIF. Install it instead of S721U1UES3AXL1 unless you need this exact version. The previous build was S721U1UES3AXK7.

    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 10.15 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S24 FE must be on bootloader binary 3 or lower.

    This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy S24 FE running binary 3 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 9 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 S24 FE

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    • 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.

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    Model firmware by region