Download Samsung Galaxy A40 SM-A405FN/FM/S Android 11 One UI 3.0 Stock Firmware

The one thing Samsung lagged in previous Android mobile is their software experience. But after they introduced One UI from Pie 9.0 version, they got good user feedback. Samsung Galaxy A40 comes with Pie 9.0, and Samsung keeps pushing major Android versions every year. As per the rollout, Samsung Galaxy A40 got Android 11-based One UI 3.0. This will be the last primary OS for this mobile. You can constantly update your mobile using the standard OTA method. When you can’t do it the traditional way, you can use the below Odin-based manual process to update your mobile.
samsung galaxy a40 home screen

Samsung Galaxy A40 Android 11 One UI 3.0 Official Stable Stock Firmware Flash

Official OTA Method

Don’t use the manual method to update a security patch to the current month. Try this Automatic method.

The process is straightforward;

OTA Update Check Android 10

  • Go to your device setting menu and scroll down to the bottom.

  • Tap on “Software Update.”

    Samsung Galaxy S23 Renders
    Samsung Galaxy S23 Renders
  • You may have to refresh the page to start the OTA upgrade process.

Manual Method (SM-A405FN, SM-A405FM, SM-A405S)


  • Check Your Device Mobile No. If you flash a Different model number, you will lose some features based on your region.
  • Battery Percentage Above 50.
  • Backup Your Device.

Using ODIN Method

Enabling developer option

  • Enable USB Debugging Mode and OEM Unlock; you’ll find these options at Settings >>> Developer options. If you didn’t see the developer options on your settings menu, then go to about >>> build number; click on the “Build Number” row about ten times regularly to activate “Developer Option” on your device.

  • We are using third-party software flashing. Download ODIN and install this also on your PC. In the version, select the latest version ODIN.
  • Download Firmware From the below links, For Samsung Galaxy A40 Official Firmware.

Samsung Galaxy A40 A405 Download Mode

  • Switch off your Mobile. Enter into Download mode->Volume Down+ Power Button and Connect Your Mobile To PC via USB Cable; after Samsung Logo Appear, Release all keys.

Samsung Galaxy A40 Download Mode Warning Screen

  • After entering into Download Mode, it will say Warning; press the Volume Up button to continue.
  • Launch Odin Application.
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ODIN Added Message

  • It Will Show the message added.
  • If you did not get this message, Repeat the above steps.

ODIN software screenshot

  • After Getting Added Message Select, AP/PDA Button, Browse for the Firmware file select it. Tick the Auto-Reboot.

Odin Auto Reboot

  • Press Start and wait for the tasks to complete. It will automatically reboot after the process ends.
Check Firmware
  • You can Check the Firmware Details->Settings->About->Version.

samsung galaxy a40 android 11 firmware details

Samsung Galaxy A40 Android 11 One UI 3.1 Features

One UI 3.1 is created based on Android 11. Samsung Always Adds extra features to the OS. I listed Both Regular Android 11 Features and Some Exclusive “One UI” Features. We already covered Exclusive One UI 2.0 features only available on Samsung Devices.

Samsung Galaxy Android 11 Screenshot


  • We can set up five different types in the Dynamic Lock Screen with new image categories.
  • With newly added features, Now you can Pin or Reorder Samsung Internet tabs.
  • We can arrange the New icons and Lock screen widgets based on our routines.
  • You can add some limited widgets like usage time in the Lock screen.
  • Interactive preview available when setting a wallpaper.
  • You can adjust the Always On Display and Lock screen easier than the Android 10 slide.
  • We can add a call background to see a picture or video when we make or receive a call.
  • We can use two different Digital Wellbeing for personal and work profiles.

Home screen and Lock screen

  • Like Tap on, You can Turn off the screen by double-tapping on a Home or Lock screen space. Go to Settings > Advanced features > Motions and gestures to enable this feature.
  • Now you don’t have to search the available widget on Home Screen. Instead, you can create widgets by long-press the app and moving the widget to the home screen.
  • On the Lock screen, tap the clock area to see additional widgets like calendar, weather, and music.

Calls and chats

Setup Backround Wallpaper for contacts One UI 3.0

  • We can see individual contact conversations separately in the notification panel with the recent update. Currently, it works with Messages and your favorite chat apps.
  • The identification and Remove duplicate contacts stored in the same account in Contacts. The storage period for deleted contacts has been extended from 15 to 30 days.
  • Now you can edit multiple linked contacts from a single screen.
  • A trash folder is added in Messages to store recently deleted messages for 30 days.

Pictures and videos

  • With improved autofocus and auto exposure, you can take pictures quicker.
  • The Basic Edit feature is added within Gallery. Now, You can view, edit, and share pictures and videos more easily from the Gallery.
  • With new search features and categories in the Gallery, You can find pictures and videos more quickly.
  • You can reverse the editing of photos even if you save the current settings.
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Samsung Galaxy Android 11 Settings

  • Settings are optimized as per the user’s feedback, and it has a new, more straightforward look and feels. Your Samsung account is shown at the top, and Home screen settings are now easier to access.
  • With the enhanced Search feature in the settings, you can easily find new Search features. For example, you’ll get better results for synonyms and common misspellings, and you can tap on tags to see groups of related settings.
  • With Quick settings, buttons have been reduced to provide only the most commonly used features. You can also add buttons to create your own customized quick panel.

Samsung Keyboard

  • I Improved the keyboard layout with identified input to provide a larger space bar when entering web and email addresses.
  • You can reorganize Keyboard settings so it’s easier to access frequently used settings.
  • Now Samsung Keyboard can support up to 370 input languages.
  • Samsung Keyboard can now detect where to paste the copied images and texts based on the cursor position.
  • When you use a text-based emoticon, Your mobile will suggest the correct Emojis.


Setup Bixby Routine One UI 3.0

  • Bixby will recommend new routines based on your daily life and usage patterns. When you don’t like new practices, Bixby Routines provides a setting to return everything to how it was before the performance.
  • We can hide the status and navigation bars for a more immersive experience during webpages translation in the Internet apps and quickly translate webpages.
  • When your mobile finds you are dealing with too many pop-ups or notifications, It will prompt you to block websites.
  • You don’t have to separate cloud storage apps to access your file. Instead, you can browse and select cloud drive files from the file selection screen in My Files.
  • You can now delete cache files in My Files without a separate app to free up storage space quickly.
  • Instead of showing separate tabs or boxes for the same Events with the same start time are displayed together in the month and list views in the calendar.
  • You can use your phone or tablet app icon layout in Samsung DeX to know where everything is.
  • You can open the touchpad from the navigation bar on your phone or tablet, along with the navigation keys.

Media and device control

Samsung Galaxy Android 11 Sound Settings

  • Now you can see the full media controls and change the playback device from the Notification bar.
  • Identify and improve your digital habits.
  • Along with Improved Digital Well-being features, you can get weekly reports based on your activity.

Accessibility for everyone

  • The enhanced Accessibility feature can give you audible feedback for your inputs even if Talkback is turned off. So, You can get feedback for pre-installed settings; You can get the dynamic response for your keyboard inputs.
Also Read-  Download Samsung Galaxy A70s SM-A7070/A707F Pie 9.0 One UI Stock Firmware

Stronger privacy protection

  • When the app doesn’t use the special permission for a long time, It will revoke it.

Additional improvements

  • Like ancient times, In Clock, you can hear the alarm’s time and preset name read aloud when an alarm rings.
  • Some apps will need to be updated separately after the One UI 3.1 update to get the latest features.
  • Select the Gallery or My Files files, tap Share, and select the app copy to share the SD storage permission adequately.
  • Wi-Fi Direct is no longer available; you can use Nearby Share instead. However, you can still receive files using Wi-Fi Direct.
  • We can’t use Chromecast using Smart View. We have to use Google Home instead.

Wrap Up

Selecting the correct firmware is the Major step in this process. Based on your country or region, choose the firmware. It is a Manual ODIN process; You can flash the latest version. But if you use the sideload method, you should flash the next version of your mobile firmware, or the process may brick your device. There are plenty of features added. Improved gestures are one of the best parts of this version. If you can’t find your region, you can flash the Samsung Galaxy A40 Android 11 firmware near the area. But, It should be within the same model number. After the flash, you can contact your Mobile Operator and configure your Network settings. There is a reason for Custom skin OS manufacturers not doing regular patch updates. As per company stats, Only a tiny percentage of people are worried about software updates.

Samsung Exclusively added some extra features compared with One UI 2.5. If you are already using Custom ROM, use this new OS for some weeks, which will surely give you a unique experience.

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