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Update Galaxy J7 Neo with March 2018 Security Patch (Android J701MUBU3ARC1 firmware)

Galaxy J7 Neo is still a decent smartphone with its 2 GB of RAM along with the Exynos 7870 processor. Of course, this is a mid-range handset which can perform well even when more demanding apps are being used. Anyway, your J7 Neo experience is about to get better as your phone just received the March 2018 Security Patch. The J701MUBU3ARC1 firmware is OTA available, but if you want to complete this update operation manually, you should check the guidelines explained below.

The March 2018 Security Patch is here to fix more than 9 Android critical vulnerabilities along with other 5 Samsung security breaches. Overall, the firmware aims to secure your online profile and to address the recently reported bugs. In that respect, the same update is patched with bug fixes and with stability improvements along with other enhancements which will bump speeds, upgrade battery life and improve the overall Android experience. So, as you can notice, it’s more than recommended to resume this update procedure.

As already outlined, the March 2018 Security Patch for the Samsung Galaxy J7 Neo is OTA available. But, the software is rolled out gradually meaning that not all the users will receive this particular Android notification at the same time. Moreover, for being able to receive the OTA your smartphone must already run on stock Android OS and tweaks shouldn’t be there – for example, if root was gained you cannot apply the OTA and the only way in which the J701MUBU3ARC1 can still be applied is by using the manual methods that’s explained below.

Additionally, the manual update operation can help you smartly manage different unpleasant situations. For example, by using Odin for installing the March 2018 Security patch on your Samsung Galaxy J7 Neo, you can manage to unbrick your Android based device. In a few words, this update operation can be used as a troubleshooting solution through which various malfunctions can be solved – I’m talking about general problems such as boot loops, lags, hangs, screen freeze, battery drain, heating issues, signal strength problems, total blackouts and more.

This manual flashing procedure will restore your Galaxy J7 Neo back to factory mode. So, after applying the guidelines from this tutorial you will notice that all the tweaks that were applied have been revoked – shortly, in the end you will see that root access was revoked, the bootloader was relocked, the bloatware were reinstalled, the stock recovery image was re-applied and so on.

Odin is an official program designed to work especially on update types of procedures. Samsung KNOX won’t get tripped during the following lines and you won’t have to use any other third party app. To conclude, you won’t risk in losing your phone’s warranty or access to default apps as you are going to use an official Android OS and not a custom ROM firmware.

However, a backup is still recommended – usually, this process can be skipped when Odin is used for installing official updates. But, in rare situations something bad might happen and a wipe might be required. So, for being sure that your personal data, info, accounts and files will remain secured all the time you should now choose to sync certain files with your Google Account, to use Samsung’s built-in cloud storage services or to download backup and restore tools from Google Play in order to save everything that’s important for you: EFS folder, internet settings, images, videos, audio files, contacts, call logs, texts, IMEI / NVRAM data and soon.

Remember that this is going to be a manual operation, so make sure that a computer it’s near you – I recommend you to use a Windows based computer for this process as Odin is optimized especially for this platform. Moreover, on the same computer you need to install the Galaxy J7 Neo drivers first; if you don’t know from where to download these drivers, you can always use Samsung KIES.

As you can tell, a connection between your J7 Neo and your computer must be ensured during the March 2018 Security patch update process. Well, for doing it right, first of all, on your phone you need to check the USB Debugging field – that’s located under Menu – > Settings – > Developer Options. Do note that if Developer Options isn’t there you first have to go to About Phone and tap repeatedly on Built Number until you receive the ‘you are a developer’ message.

On your phone you must make sure that there is more than 50% power left. Like anytime we discuss about update operations, it’s vital to ensure enough power on your device as otherwise the system might get turned off while the firmware is installed – if that occurs, different issues might cause malfunctions within the Android core system.

Make sure you apply the steps from below only if you have the Samsung Galaxy J7 Neo. The J701MUBU3ARC1 March Security Patch will work only on this particular Android based smartphone.

How to Update Galaxy J7 Neo with March 2018 Security Patch (Android J701MUBU3ARC1 firmware)

  1. On your computer set up Odin: download the program from here and then run its executable file; just follow on-screen guidelines and complete the installation process.
  2. Then, go here and download the J701MUBU3ARC1 firmware package for your Samsung Galaxy J7 Neo.
  3. Run the flashing program on your computer now.
  4. Switch off your J7 Neo and reach download mode by pressing and holding Volume Down, Home and Power buttons together, for a few moments.
  5. Use the USB cable and connect your smartphone with your computer – take a look on Odin as there the ‘added’ message should appear and the ID:COM section should be colored in yellow or in blue; if not, remove the USB cord, close Odin and reinstall your phone’s drivers on your computer before retrying the step from above.
  6. On Odin click on the AP button and select the March 2018 Security patch from your computer.
  7. Don’t select the Re Partition and Auto Reboot options, but when you are ready click on Start.
  8. The update operation will be now completed – when that’s done on the flashing program the ‘pass’ message will appear and the ID:COM section will be colored in green.
  9. At that moment you can close Odin and unplug the USB cable.
  10. One more thing: reboot your Samsung Galaxy J7 Neo and enjoy.

Problems that can be experienced and how to solve everything

Sometimes Odin can get stuck while you try to apply the update package. If that occurs you need to follow: close the flashing program on your computer (if you cannot do it otherwise, end its associated process from Task Manager); then remove the USB cord; force restart your Galaxy J7 Neo; reinstall your phone’s drivers on your computer; re-apply all the steps that are explained above from the beginning.

In other situations, during the last reboot, a boot loop might be caused. In case you are currently experiencing this malfunction, don’t panic and follow: you have to access recovery mode and from there you must clear app data cache and initiate a hard reset; so press and hold Power, Volume Up and Home buttons together and from main menu of recovery select ‘wipe data factory reset’ followed by ‘wipe cache partition’; in the end choose ‘reboot system now’ and enjoy.


Perfect. The update process is now completed which means that we are done for now. Therefore, boot your Samsung Galaxy J7 Neo and verify how everything works on this latest March 2018 Security Patch J701MUBU3ARC1 firmware build. You can share your observations with us by using the comments field available below. Don’t forget to check out our ‘how to’ section for accessing more update opportunities and alternatives for your own Samsung branded device.

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