Samsung Galaxy J7 Duo J720FDDS3ARJ3
SM-J720F https://samfirm.shop/model/SM-J720F 8 countries Android 8.0.0 (Oreo)

Samsung Galaxy J7 Duo J720FDDS3ARJ3 Firmware

Samsung Galaxy J7 Duo J720FDDS3ARJ3 is an Android 8.0.0 (Oreo) firmware for 8 countries, 12 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 J720FDDU3ARJ3 https://samfirm.shop/build/J720FDDU3ARJ3, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-J720F is available: J720FDDS7CUL2 https://samfirm.shop/build/J720FDDS7CUL2.

9.3/10 (471)51,488 times
Android 8.0.0 (Oreo)
OS Version
2018-10-17
First release
other regions until 2018-10-24
2018-10-01
Security patch
8
Countries
12
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 J7 Duo use bootloader binary 7 (latest: J720FDDS7CUL2 https://samfirm.shop/build/J720FDDS7CUL2). If your device already runs binary 7, 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#.
    Your CSC is in Settings → About phone (About tablet) → Software information, or dial *#1234#. The CSC sets your region's features and network bands. Download the firmware for your country.
    5
    ModelRegionCSC VersionMODEM/CP VersionBuild DateRelease dateSizeFile nameDownload
    SM-J720F
    ACR Saudi Arabia
    BTC Libya
    DKR Kenya
    ECT Nigeria
    +2 more countries
    XFA, XFE, XFV South Africa
    XSG United Arab Emirates
    J720FOJM3ARG2J720FXXU3ARJ2 2018-10-24 2018-11-05 2.819 GiB
    SM-J720F_1_20200601211818_cdd4wngcid_fac.zip
    SM-J720F
    AFR Kenya
    J720FOJM3ARG2J720FDDS3ARJ3 2018-10-17 2018-11-05 — —
    SM-J720F
    EGY Egypt
    J720FOJM3ARG2J720FDDS3ARJ3 2018-10-17 2018-11-05 — —
    SM-J720F
    LYS Libya
    J720FOJM3ARG2J720FDDS3ARJ3 2018-10-17 2018-11-02 — —
    SM-J720F
    TUR Turkey
    J720FOJM3ARG2J720FDDS3ARJ3 2018-10-17 2018-11-06 — —

    No matching downloads

    Device specifications

    • Display diagonal14 cm (5.5")
    • Display resolution1280 x 720 pixels
    • Display typeSAMOLED
    • Processor frequency1.6 GHz
    • RAM3 GB
    • Rear camera resolution13 MP
    • Rear camera typeDual camera
    • SIM cardsDual SIM
    • Battery capacity3000 mAh
    • Weight174 g

    What's new in J720FDDS3ARJ3

    · A new Camera function has been added : AR Emoji
    · The security of your device has been improved.

    How to flash J720FDDS3ARJ3

    • J720FDDS3ARJ3 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.

    Frequently Asked Questions

    J720FDDS3ARJ3 is Android 8.0.0 (Oreo) firmware for Samsung Galaxy J7 Duo, released for 8 countries, 12 CSC codes. It includes the 2018-10-01 security patch. Samsung built it on 2018-10-17.

    No. A newer build for SM-J720F is available: J720FDDS7CUL2. Install it instead of J720FDDS3ARJ3 unless you need this exact version. The previous build was J720FDDU3ARJ3.

    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 2.819 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy J7 Duo must be on bootloader binary 3 or lower.

    This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy J7 Duo running binary 3 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 6 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 J7 Duo

    • The security of your device has been improved.

    • The security of your device has been improved.

    · The security of your device has been improved.

    • The security of your device has been improved.

    · The security of your device has been improved.

    Show 15 older builds

    • The security of your device has been improved.

    No changelog details available.

    · The security of your device has been improved.

    · The security of your device has been improved.

    One UI 2 upgrade with Android 10

    One UI 2 brings you Android 10, with exciting new features from Samsung and Google based on feedback from users like you.
    We recommend that you back up your important data to keep it safe during the upgrade.
    Some apps, including Calculator, Samsung Internet, and Samsung Notes, need to be updated individually after you update your OS.

    Here's what's new.

    Dark mode
    - Enhanced image, text, and color adjustments for day and night environments.
    - Darkened wallpapers...

    One UI 2 upgrade with Android 10

    One UI 2 brings you Android 10, with exciting new features from Samsung and Google based on feedback from users like you.
    We recommend that you back up your important data to keep it safe during the upgrade.
    Some apps, including Calculator, Samsung Internet, Samsung Health and Samsung Notes, need to be updated individually after you update your OS.

    Here's what's new.

    Dark mode
    - Enhanced image, text, and color adjustments for day and night environments.
    - Dark...

    • The security of your device has been improved.

    • The security of your device has been improved.

    · The security of your device has been improved.

    · The security of your device has been improved.

    · Security patch update

    · The security of your device has been improved.

    · The security of your device has been improved.

    · Security patch update

    · The security of your device has been improved.

    ※ If your device is encrypted, it must be decrypted before upgrading.