Samsung Galaxy A03s S135DLUDS7AYD2 Firmware

Samsung Galaxy A03s S135DLUDS7AYD2 is an Android 13 firmware for TFV, United States (TFN). 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 S135DLUDS6AXJ2 https://samfirm.shop/build/S135DLUDS6AXJ2: bootloader binary raised from 6 to 7, so after installing it there is no way back to older builds; security patch 2025-02-01 instead of 2024-10-01. A newer build for SM-S135DL is available: S135DLUDS8AYI1 https://samfirm.shop/build/S135DLUDS8AYI1.

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Android 13
OS Version
2025-04-29
Build Date
2025-02-01
Security patch
2
Countries
2
CSC codes
7
Bootloader binary

Bootloader binary 7. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A03s use bootloader binary 8 (latest: S135DLUDS8AYI1 https://samfirm.shop/build/S135DLUDS8AYI1). If your device already runs binary 8, 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: S135DLUDS7AYD2
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-S135DL
    TFN United States
    TFV
    S135DLTFN7AYD2 2025-04-29 4.079 GiB
    SM-S135DL_1_20250423134141_1z3jnobplf_fac.zip

    No matching downloads

    What's new in S135DLUDS7AYD2

    • The security of your device has been improved.

    How to flash S135DLUDS7AYD2

    • S135DLUDS7AYD2 has bootloader binary 7. Your device must run binary 7 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

    S135DLUDS7AYD2 is Android 13 firmware for Samsung Galaxy A03s, released for TFV, United States (TFN). It includes the 2025-02-01 security patch. Samsung built it on 2025-04-29.

    No. A newer build for SM-S135DL is available: S135DLUDS8AYI1. Install it instead of S135DLUDS7AYD2 unless you need this exact version. The previous build was S135DLUDS6AXJ2.

    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 4.079 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A03s must be on bootloader binary 7 or lower.

    This build uses bootloader binary 7. It can be flashed on a Samsung Galaxy A03s running binary 7 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 7.

    Other builds and changelog for Samsung Galaxy A03s

    • 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.

    https://samfirm.shop/build/S135DLUDS6AXJ2

    • The security of your device has been improved.

    https://samfirm.shop/build/S135DLUDS5AXF1

    · The security of your device has been improved.

    https://samfirm.shop/build/S135DLUDS4AXC4

    · The security of your device has been improved.

    Show 3 older builds

    • Overall stability of your device has been improved.
    • The security of your device has been improved.

    https://samfirm.shop/build/S135DLUDS2AWI1

    • The security of your device has been improved.

    https://samfirm.shop/build/S135DLUDU1AWG4
    No changelog details available.