Samsung Galaxy A40 Firmware | SM-A405FN Stock ROM

If you’re looking for your device’s Samsung Galaxy A40 stock firmware, then you’re at the right place. Here we will list all the official stock ROM for Samsung Galaxy A40 and will guide you on how to install them.

Galaxy A40 is the new mid-range phone from Samsung. The device features a 5.9  inches OLED capacitive touchscreen with 1080 x 2340-pixel resolutions. It runs the latest Android 9.0 Pie with Samsung OneUI. The midrange machine packs an octa-core Exynos 7885 chipset. It will be available with 4 GB of RAM. The basic device storage may begin from 64 GB which may be expandable. Again in the camera section, the devices have dual rear cameras of 16 MP and 5 MP. In the front end, there is a selfie shooter of 25 MP. A non-removable 3100 mAh battery will power the Galaxy A40.

Samsung Galaxy A40 Stock Firmware Collections [Back To Stock ROM - A405F ]

Samsung Galaxy A40 Stock Firmware Collections

Android is the most versatile and customizable OS of all time. Maybe that’s the reason why people are falling in love with Android. But because of excessive customizability, many people often brick their devices in the end and need to install stock firmware. Samsung makes very stable firmware for their devices but can also be laggy or unresponsive sometimes.

So, if you’re in such a situation and want to download and install stock firmware for Galaxy A40, then this is the right place. This guide will help you to install stock firmware in Samsung Galaxy A40. It is always good to keep the Samsung Galaxy A40 stock firmware with you if something goes wrong.

Advantages of Stock Firmware

Installing stock firmware in your device can help to solve many problems. Such as screen freezing, unresponsive, camera fail, boot loops, slow performance, etc. In case your device is stuck or in a brick state due to careless rooting or flashing methods, then installing Stock firmware on Samsung Galaxy A40 will save your device. Check the other advantages of Stock Firmware given below.

  • Flash Stock To Unbrick your Samsung Galaxy A40
  • Flash Stock ROM to Fix the boot loop problem
  • Upgrade and Downgrade Samsung Galaxy A40
  • Unroot or Fix Bugs on your phone
  • To fix the lag or stutter on Samsung Galaxy A40
  • By flashing Stock ROM, you can solve software problems.
  • Revert back to stock to gain your warranty.

List of Samsung Galaxy A40 Stock Firmware Collections:

Build name Patch OS Region
A405FNXXU3ATA4 January 2020 9.0 Italy/Slovenia
A405FNXXU3ATB2 February 2020 9.0 Ukraine
A405FNXXU3BTB8 10 Europe
A405FMPUU3BTC1 10 Russia
A405FNXXU3BTC4 / A405FNXXU3BTC5 10 Europe
A405FMPUU3BTC4 March 2020 10 Russia
A405FNXXU3BTD4 May 2020 10 Russia
A405FMPUU3BTD4 / A405FMPUU3BTF1 May 2020 10 Russia
A405FNXXU3BTG2 July 2020 10 Europe
A405FNXXS3BTK1 November 2020 10 Europe
A405FNXXU3BTK4 December 2020 10 Europe
A405FNXXU3CUD3 April 2021 11 Europe
A405FNXXU3CUF2 June 2021 11 Europe
A405FNXXU4CUJ2 November 2021 11 Europe
A405FNXXU4CVG2 June 2022 11 Europe
A405FNXXS4CWB5 February 2023 11 Europe
A405FNXXU4CWC3 March 2023 11 Europe

How to install Stock Firmware on Samsung Galaxy A40

Installing stock firmware on any Samsung device is a simple process. All you need is an ODIN flash tool and device firmware files. Down below are the required files and prerequisites for the firmware flashing process. Have a look!


GetDroidTips will not be responsible for any internal/external damages to the device that may happen while/after following this guide. Please proceed if you know what you’re doing!

Instructions to Install Stock Firmware on Samsung Galaxy A40

After downloading the firmware file, you need to use ODIN Tool to flash it on your device. If you are doing it for the first time then don’t worry. Here is a detailed guide that you can follow to install the firmware on your device.

 Guide to Install firmware on any Samsung Device using Odin Tool Video Guide to flash Stock Firmware on your device

This is the end of this guide, I hope you have understood each step of installing stock firmware on your Samsung device. In case you’re having any queries or problems, then let us know via the comment section below.

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