Samsung Galaxy J8 J810MUBS2ARJ1
SM-J810M 4 countries Android 8.0.0 (Oreo)

Samsung Galaxy J8 J810MUBS2ARJ1 Firmware

Samsung Galaxy J8 J810MUBS2ARJ1 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 J810MUBU1ARG3: bootloader binary raised from 1 to 2, so after installing it there is no way back to older builds; security patch 2018-10-01 instead of 2018-07-01. A newer build for SM-J810M is available: J810MUBU3CWB2.

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Android 8.0.0 (Oreo)
OS Version
2018-10-02
First release
other regions until 2018-10-12
2018-10-01
Security patch
4
Countries
4
CSC codes
2
Bootloader binary

Bootloader binary 2. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy J8 use bootloader binary 3 (latest: J810MUBU3CWB2). If your device already runs binary 3, 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: J810MUBS2ARJ1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-J810M
    COB Colombia
    CRM Costa Rica
    EBE Ecuador
    TMM Mexico
    		J810MOWT2ARJ5, J810MOWT2ARJ3, J810MOWT2ARJ1, J810MOWT2ARJ2 2018-11-01 2.717 GiB
    SM-J810M_1_20200620041334_gcmp5mke9x_fac.zip

    No matching downloads

    Device specifications

    • Launched withAndroid 8.0
    • Display diagonal15.2 cm (6")
    • Display resolution720 x 1480 pixels
    • Display typeSAMOLED
    • Processor frequency1.8 GHz
    • Processor familyQualcomm Snapdragon
    • Processor model450
    • RAM4 GB
    • Rear camera resolution16 MP
    • Rear camera typeDual camera
    • SIM cardsDual SIM
    • Battery capacity3500 mAh
    • Weight177 g

    What's new in J810MUBS2ARJ1

    · The security of your device has been improved.

    How to flash J810MUBS2ARJ1

    • J810MUBS2ARJ1 has bootloader binary 2. Your device must run binary 2 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

    J810MUBS2ARJ1 is Android 8.0.0 (Oreo) firmware for Samsung Galaxy J8, released for 4 countries, 4 CSC codes. It includes the 2018-10-01 security patch. Samsung built it on 2018-10-02.

    No. A newer build for SM-J810M is available: J810MUBU3CWB2. Install it instead of J810MUBS2ARJ1 unless you need this exact version. The previous build was J810MUBU1ARG3.

    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 2.717 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy J8 must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy J8 running binary 2 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 44 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 J8

    • Overall stability of your device has been improved.

    • Overall stability of your device has been improved.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

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

    Show 15 older builds

    • Added new feature. - Google RCS(Rich Communication Service)
    • The security of your device has been improved.

    • Added new feature. - Google RCS(Rich Communication Service)
    • The security of your device has been improved.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    No changelog details available.
    No changelog details available.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    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...

    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...

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    Model firmware by region