On this page, you will find the official link to download Samsung SM-J120AZ Stock Firmware ROM (flash file) on your Computer. Firmware comes in a zip package, which contains Flash File, Flash Tool, USB Driver and How-to Flash Manual. Full repair firmware, factory firmware, full stock 4 files firmware for Samsung Galaxy Express 3 4G LTE SM-J120A. Eng boot eng sboot frp bypass frp done frp fix frp removal frp remove full 4 files full factory full files full stock full stock firmware full stock firmware download j3 2016 j7 2017 Nougat Oreo s6 edge samsung samsung s6 edge. Mar 27, 2018 - Samsung SM-J120A Stock ROM. Here’s what you need to download the official Samsung SM-J120A stock ROM (firmware) flash file onto your computer. How to Flash Samsung SM-J120A Stock ROM Using Odin. Below is the direct link to download the Samsung SM-J120A Stock Firmware (flash file) from GoogleDrive. Firmware contains Flash Tool, Driver and instructions. Android Version: 6.0.1.

Upgrade AT&T Galaxy Express 3 SM-J120A to January 2018 Security patch with version J120AUCS5ARA1. AT&T has fixed the regular bugs and improved the system stability and performance. The update is still based on Android 6.0.1 Marshmallow. Now you can install January 2018 Security Patch on AT&T Galaxy Express 3. Along with this update, AT&T the update also fixes Meltdown and Spectre security patches, and Various system improvements.

Update J120AUCS5ARA1 January 2018 for AT&T Galaxy Express 3

The update seeded via OTA and it is sent in a phase-wise manner. To receive this OTA, you must be running Stock firmware without root.

In case if you have already received the update with build number J120AUCS5ARA1, then hit the download button to start the upgrade process. If not received, then check for the update manually by following the steps below.

Firmware Details

Release date: February 5, 2018
Android version: 6.0.1
Security patch level (SPL): January 1, 2018
Baseband version: J120AUCS5ARA1
Build number: MMB29K.J120AUCS5ARA1
File size: 19.2MB

Sm-j120a Firmware Download

The updates

What’s changing: Android device security updates, including Meltdown and Spectre migration patches (on SPLs Jan. 1 or later)

How to Update Software on Samsung Galaxy Express 3 manually?

Go to Settings –> About Phone –> Software update.

By following the above method you can easily find if you have any latest update on your phone. You can tap the option titled “Download Updates Manually”. If the update is not available, then make sure your device is not rooted or installed any modified firmware.

Before proceeding to download, make sure your phone has enough battery backup with at least 50% battery. Also, check if you have enough storage to download and install the latest update on AT&T Galaxy Express 3 SM-J120A. We suggest you to choose a Wi-Fi or a 4G connection to download it. Also, don’t forget to take the data backup to avoid any problem in case things go wrong. After following the procedure mentioned above, you can now start downloading January 2018 Security Patch for Samsung Galaxy Express 3. As this update is based on Android 6.0.1 Marshmallow, it wouldn’t take a lot of time to download and install.

If you have not received the update, then you can try upgrading your phone via OTA or Samsung Kies. In case if you have the full firmware download, then please share the URL here, so that everyone can enjoy the same by flashing via ODIN software.

Check out this link to see if your phone will support Android 8.0 Oreo.

Samsung announced the list of Samsung devices updating to Android 8.0 Oreo.

If your phone model is not on the official device list, then you need not worry! Here is the list of Supported device to receive Lineage OS 15based on Android Oreo.

You can also install Lineage OS 14.1 on Galaxy Express 3 by following the steps given here.

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Source: AT&T

Here’s what you need to download the official Samsung SM-J120A stock ROM (firmware) flash file onto your computer. You can then use one of the flashing tools that were made to work for your device to update the firmware.

Flashing tools were initially developed by the companies that were associated with the device’s hardware and were mainly kept in-house, used in the back rooms of smartphone repair centers to fix common mobile device-related problems. Since then, these flashing tools have become available on the Web for anybody to use. Now you can solve the same kinds of issues that were once left up to those repair centers: bootloops, soft-brick situations, software errors, software bugs, update errors, so forth, by downloading the software onto your computer at home instead. What’s more, installing the Samsung SM-J120A flash file is an easy task, thanks to the flashing tool’s user-friendly interfaces that usually require just one click before the flashing is underway.

Most third-party developers who create tools for helping you customize your devices—the teams that work on custom recovery images, rooting applications, et cetera—recommend sticking with custom software if you’ve already changed the system partition or already replaced the stock recovery partition with a custom one. If you are to go back to stock Android on the device, though, they recommend flashing the firmware yourself instead of accepting the over-the-air updates. This is because OTAs can create unexpected behavior since they’re often only patching over existing software instead of completely replacing it.

The flashing tools such as the Odin flashing tool are always computer applications. On most occasions, these apps are relatively small files and won’t take up much hard drive space.

You can sometimes have a choice of what flashing tool you want to use to flash the Samsung SM-J120A firmware file. You can flash Stock ROMs with tools that work for either the system chip found in the device’s hardware, the firmware file type, or on occasion, apps that are designed to work for a particular manufacturer.

Download Samsung SM-J120A Firmware Flash File

File Name: J120AUCU2APJ2_J120AATT2APJ2_USA_ATT_6.0.1_4_File

Carrier: AT&T (USA)

Android Version: Android 6.0.1 Marshmallow)

Firmware File: Download flash file

File Name: J120AUCU1APC8_J120AATT1APC8_USA_ATT_6.0.1_4_File

Carrier: AT&T (USA)

Android Version: Android 6.0.1 (Marshmallow)

Firmware File: Download flash file

Note: The guide below works if your firmware file contains the tar.md5 file. If you ever need to flash Samsung firmware using the full stock ROM files individually instead, you can learn how to flash Samsung stock firmware using all four files. (Check your firmware file after you download it to see if it is a tar.md5 or comes as 4 individual files.)

How to Flash Samsung SM-J120A Stock ROM Using Odin

1. Firstly, you need to know that the Odin flashing tool is really easy to use, but it only works on the Windows operating system. You won’t get the flashing tool to load on a Mac or Linux computer. It doesn’t really matter what version of the Windows operating system that you’re using as long as it is something above Windows XP.

2. Download and install the Samsung USB drivers on the computer if you don’t have them already.

3. Download the Samsung SM-J120A stock firmware package from the links above directly to the computer. Extract the file by right-clicking on it and choosing the option to extract. When you do, you’ll see the tar.md5 file inside. That’s the file you’ll be using to do the flashing.

4. Download the Odin flashing tool. It doesn’t really matter what version, but the latest is the most up to date so grab that one. Extract the Odin file and then double-click on the Odin executable file (.exe) that is found from within the Odin folder after extraction. You should now have the Odin interface open on the computer and waiting for you to connect to it.

5. Boot the Samsung mobile device into the Download Mode by first powering it down and then rebooting by holding the “Volume Down + Home + Power” keys at the same time.