Samsung Galaxy J7 Duo J720FDDU3ASA1
SM-J720F 4 countries Android 8.0.0 (Oreo)

Samsung Galaxy J7 Duo J720FDDU3ASA1 Firmware

Samsung Galaxy J7 Duo J720FDDU3ASA1 is an Android 8.0.0 (Oreo) firmware for 4 countries, 4 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 J720FDDU3ARL2: security patch 2019-02-01 instead of 2018-12-01. A newer build for SM-J720F is available: J720FDDS7CUL2.

9.2/10 (33)17,466 times
Android 8.0.0 (Oreo)
OS Version
2019-01-25
First release
other regions until 2019-01-31
2019-02-01
Security patch
4
Countries
4
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). 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.
    ModelRegionCSC VersionMODEM/CP VersionBuild DateRelease dateSizeFile nameDownload
    SM-J720F
    BNG Bangladesh
    NPL Nepal
    		J720FODM3ASA1J720FXXU3ASA1 2019-01-31 2019-04-23 2.684 GiB
    SM-J720F_1_20190131133253_0w27evjw0a_fac.zip
    SM-J720F
    BNG Bangladesh
    		J720FODM3ASA1J720FDDU3ASA1 2019-01-25 2019-04-23 — —
    SM-J720F
    INS India
    		J720FODM3ASA1J720FDDU3ASA1 2019-01-25 2019-04-23 — —
    SM-J720F
    NPL Nepal
    		J720FODM3ASA1J720FDDU3ASA1 2019-01-25 2019-04-23 — —
    SM-J720F
    SLK Sri Lanka
    		J720FODM3ASA1J720FXXU3ASA1 2019-01-31 2019-02-20 2.92 GiB
    SM-J720F_1_20200519172703_c8qgzk77jo_fac.zip

    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 J720FDDU3ASA1

    · The security of your device has been improved.

    How to flash J720FDDU3ASA1

    • J720FDDU3ASA1 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

    J720FDDU3ASA1 is Android 8.0.0 (Oreo) firmware for Samsung Galaxy J7 Duo, released for 4 countries, 4 CSC codes. It includes the 2019-02-01 security patch. Samsung built it on 2019-01-25.

    No. A newer build for SM-J720F is available: J720FDDS7CUL2. Install it instead of J720FDDU3ASA1 unless you need this exact version. The previous build was J720FDDU3ARL2.

    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 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.

    Model firmware by region