SM-S937U1 8 countries Android 16

Samsung Galaxy S25 Edge S937U1UES4BYLR Firmware

Samsung Galaxy S25 Edge S937U1UES4BYLR is an Android 16 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 S937U1UES3BYIF: bootloader binary raised from 3 to 4, so after installing it there is no way back to older builds; security patch 2026-01-01 instead of 2025-10-01. A newer build for SM-S937U1 is available: S937U1UESADZJ1.

Download firmware
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Android 16
OS Version
2026-01-06
Build Date
2026-01-01
Security patch
8
Countries
19
CSC codes
4
Bootloader binary

Bootloader binary 4. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy S25 Edge use bootloader binary A (10) (latest: S937U1UESADZJ1). If your device already runs binary A (10), 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: S937U1UES4BYLR
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-S937U1
    ACG, AIO, ATT, CCT, LRA, TFN, TMB, TMK, USC, VZW, XAA, XAR United States
    ATC, CHA, DSA, DSG, DSH, FKR, XAG
    		S937U1OYM4BYLR 2026-01-19 16.102 GiB
    SM-S937U1_2_20260106131551_u2cs4f3lyy_fac.zip

    No matching downloads

    How to flash S937U1UES4BYLR

    • S937U1UES4BYLR has bootloader binary 4. Your device must run binary 4 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 S937U1UES4BYLR

    • 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: January 2026

    SMR Jan-2026 fixes 32 vulnerabilities, 2 of them critical. Android Security Bulletin: 21, Samsung Semiconductor: 4, Samsung-specific issues (SVE): 7.

    Most severe Samsung fixes:

    • high Improper input validation in SecSettings prior to SMR Jan-2026 Release 1 allows local attacker to access file with system privilege. User interaction is required for triggering this vulnerability. (CVE-2026-20969)
    • high Use After Free in PROCA driver prior to SMR Jan-2026 Release 1 allows local attackers to potentially execute arbitrary code. (CVE-2026-20971)
    • high Out-of-bounds read in libimagecodec.quram.so prior to SMR Jan-2026 Release 1 allows remote attacker to access out-of-bounds memory. (CVE-2026-20973)

    All fixes and Galaxy models with this patch

    Rollout of S937U1UES4BYLR by region

    Samsung released this build in all regions (19) on the same day, January 19, 2026.

    Device specifications

    • Launched withAndroid 15
    • Display diagonal17 cm (6.7")
    • Display resolution3120 x 1440 pixels
    • RAM12 GB
    • Rear camera resolution200 MP
    • Rear camera typeDual camera
    • Battery capacity3900 mAh
    • Weight163 g

    Specifications of SM-S937B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    S937U1UES4BYLR is Android 16 firmware for Samsung Galaxy S25 Edge, released for 8 countries, 19 CSC codes. It includes the 2026-01-01 security patch. Samsung built it on 2026-01-06.

    SMR Jan-2026 fixes 32 vulnerabilities, 2 of them critical. Android Security Bulletin: 21, Samsung Semiconductor: 4, Samsung-specific issues (SVE): 7.

    No. A newer build for SM-S937U1 is available: S937U1UESADZJ1. Install it instead of S937U1UES4BYLR unless you need this exact version. The previous build was S937U1UES3BYIF.

    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 16.102 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S25 Edge must be on bootloader binary 4 or lower.

    This build uses bootloader binary 4. It can be flashed on a Samsung Galaxy S25 Edge running binary 4 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 4.

    Other builds and changelog for Samsung Galaxy S25 Edge

    • Security
    The device is protected with improved security.

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

    One UI 9
    Galaxy AI

    Enhanced Now nudge
    Now nudge provides helpful suggestions in more places throughout your Galaxy experience. In addition to the keyboard, suggestions will now appear in conversation notifications and in a floating button in the bottom right corner of the screen. There are also several new types of suggestions, like entering reservation details or addresses and saving places in Google Maps.

    Focus on someone important
    My FanCam lets you select a person in a video and follow...

    • Security
    The device is protected with improved security.

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

    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.

    Show 2 older builds
    One UI 8.0 (Android 16)
    Galaxy AI

    See calls on the screen
    Call captions show what each person says on the screen in real time during calls. Follow the conversation on your screen to make sure you don’t miss anything.

    Create unique pet portraits
    Bring out your pet's personality with Portrait studio. You can now apply portrait effects to pictures of dogs and cats in addition to people. Choose from styles like Fisheye lens, oil painting, and more.

    Clean up sound
    Use Audio eraser to automatica...

    • 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