A405FNXXU3BTC4: Download Galaxy A40 Android 10 Update {Europe}

The Samsung Galaxy A40 users in Europe have started getting the latest A405FNXXU3BTC4 with latest Security Patch Update. The update will be available all across the continent but as it is being released in a phased manner it may take some time to reach every user.

About Samsung Galaxy A40 A405FNXXU3BTC4

The OTA has been rolled out in Europe. This update comes with the latest security patch update which was released by Google in March 2020 Security. The update comes with build number A405FNXXU3BTC4. 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 A40 which will come as an OTA update to your phone.

The Android 10 update brings system-wide dark mode, gestures navigation, smart reply, live caption, focus mode, family link, easy security updates, built-in call screening, sound amplifier, etc. While it also offers improved app permissions, enhanced location privacy control, 5G & foldable support, and more

  • Device Name: Galaxy A40
  • Model: SM-A405F
  • Region: Europe
  • Android version: Android 10 Q
  • Baseband Version: A405FNXXU3BTC4
  • Android Security Patch Level: 1st March 2020
  • Flashing Tool: Odin Flash Tool

Manually Update Samsung Galaxy A40 to March 2020 Security Patch (Software update/ ROM File)

Manual way to Update Samsung Galaxy A40 to March 2020 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.


RootMyGalaxy.net is not responsible for any damage happened to your device(s) while following this guide so kindly proceed at your own risk.

Download Instruction:

Follow our guideWhere and How To Download Samsung Galaxy Stock Firmware

Note: Always download the firmware according to your region

Steps To Install Galaxy A40 A405FNXXU3BTC4 Firmware Update

Install Galaxy A40 A405FNXXU3BTC4 Firmware 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 device
  • 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
Editorial Leader
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.

Leave a Comment