Samsung Galaxy J7 Duo J720FDDS7CTL1
SM-J720F 4 countries Android 10

Samsung Galaxy J7 Duo J720FDDS7CTL1 Firmware

Samsung Galaxy J7 Duo J720FDDS7CTL1 is an Android 10 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 J720FDDU7CTJ1: security patch 2021-01-01 instead of 2020-10-01. A newer build for SM-J720F is available: J720FDDS7CUL2.

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Android 10
OS Version
2021-01-18
Build Date
2021-01-01
Security patch
4
Countries
4
CSC codes
7
Bootloader binary

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

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: J720FXXU7CTI4
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-J720F
    BNG Bangladesh
    INS India
    NPL Nepal
    SLK Sri Lanka
    		J720FODM7CTI3 2021-01-19 3.082 GiB
    SM-J720F_2_20210111193234_51xfflsj1a_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 J720FDDS7CTL1

    · The security of your device has been improved.

    How to flash J720FDDS7CTL1

    • J720FDDS7CTL1 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

    J720FDDS7CTL1 is Android 10 firmware for Samsung Galaxy J7 Duo, released for 4 countries, 4 CSC codes. It includes the 2021-01-01 security patch. Samsung built it on 2021-01-18.

    No. A newer build for SM-J720F is available: J720FDDS7CUL2. Install it instead of J720FDDS7CTL1 unless you need this exact version. The previous build was J720FDDU7CTJ1.

    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 3.082 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy J7 Duo must be on bootloader binary 7 or lower.

    This build uses bootloader binary 7. It can be flashed on a Samsung Galaxy J7 Duo running binary 7 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 8 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.

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