J400FXXU2ARK5: Download Galaxy J4 December 2018 Security Patch

Download and Install Samsung Galaxy J4 J400FXXU2ARK5 December 2018 Security Patch (OTA Update) || SM-J400F:  Samsung has already started sending January 2019 security updates to many devices and there are newer devices which haven’t received the last month’s security patch update. But users of galaxy J4 J400F has finally started getting the December 2018 patch update.

This update is only rolling out for Samsung Galaxy J4 devices. If you are a Samsung Galaxy J4 user, you may have already received the December Security Security Patch OTA  update notification on your device. If the update has not been on your device’s system update section, then just wait for few more days for the update to come. We highly recommend you to install the update to be on the safer side. Android system should be updated to the latest build to stay safe from the malware attacks.

About Samsung Galaxy J4 J400FXXU2ARK5

The OTA has been rolled out in the Asian region and only available for Samsung users. This update comes with the latest security patch update which was released by Google in December Security. The update comes with build number J400FXXU2ARK5. The update brings some bug fixes which were available in the previous build. It also brings stability and performance improvements. Thus, you should download and install the update to your Samsung Galaxy J4 which will come as an OTA update to your phone.

  • Device Name: Galaxy J4
  • Model: SM-J400F
  • Region: South Asian region (India, Sri Lanka, Nepal, and Bangladesh.)
  • Android version: Android 8.0 Oreo
  • Build Number: J400FXXU2ARK5
  • Android Security Patch Level: 1st December

Manually Update Samsung Galaxy J4 to J400FXXU2ARK5 December 2018 Security Patch


You can manually check for the update from Settings > Software update >Download updates manually. If there is no update showing on your device, then wait for few days for the update to come to your device as it is being released phase-wise manner or you can manually flash the full firmware using Odin Flash Tool.


Check sammobile website to get the latest firmware for your device

How To Install Samsung Galaxy J4 J400FXXU2ARK5 December 2018 Security Patch OTA Update


  • First, download the firmware file from the download section above
  • Now Enter the recovery mode on your device, then follow the linked guide below to Install Security Patch Update On Samsung Galaxy Note 8
  • If you want to sideload the OTA then follow the guide below
  • If you want to Install the Full Firmware File then follow the guide given below (Odin Method)

If the installation is successful, you will see the message Pass in the Log Tab.

Note: Before installing the updates, make sure your device is connected to a good wifi and your device has more than 50 percent battery life remaining

Dibyashree Sharma
Dibyashree Sharma
Dibyashree Sharma graduated in Computer Science from NIT Rourkela. For the past eight years, she has been blogging about Android, which she is really passionate about. She has built a good reputation as a reliable source. Away from the digital sphere, Dibyashree enjoys playing tennis, a sport she is as passionate about as she is about technology.

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