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Samsung Galaxy A40 gets an upgrade to One UI 3.1 based on Android 11 {Galaxy A40s too}

Are you a user of the Samsung Galaxy Smartphone? Guess what? You’re in favor because Samsung is constantly launching new Android 11 patches. The Samsung Galaxy A40 gets an upgrade to One UI 3.1 based on Android 11, following the release of the update for a number of Galaxy devices. Samsung has been carrying out the newest Android 11 update with One UI 3.1 for the past few weeks, and the Galaxy A40 will get the same One UI 3.1 update.

The Samsung Galaxy A40 is one of the most popular budget phones of 2019, and it came with Android 9 Pie out of the box. After, the phone got the One UI 2.0 update, which is built on Android 10. As a result, this will be the device’s third big upgrade, allowing consumers to enjoy the new updates on their Galaxy A40.

The One UI 3.1 update for the Galaxy A40 with firmware version A405FxxxU3CUC2 for model number SM-A405FN is now accessible. And, based on Samsung’s previous Android 11 patches, this update will almost certainly include the March 2021 security fix for the Galaxy A40.

The most recent Android 11 update includes a slew of new functionality as well as bug fixes and performance enhancements. If you have a Galaxy A40, this update will bring Android 11 and One UI 3.1 to your phone. We don’t have the full changelog yet, but we expect it to have features close to the Galaxy A50 Android 11 update. Chat circles, updated update functions, support for Google Home controls, enhanced privacy settings, camera enhancements, and more are among the new features.

The Android 11 update for the Galaxy A40 is now available in Germany and Russia. However, we know Samsung doesn’t hold back on updates, so we should expect the update to arrive in the remaining regions shortly.

You should expect an over-the-air update if the Android 11 update is available in your country. However, if you did not get the notice, go to Settings > Software Update to manually search for the update. You’ll see the most recent version, and you’ll need to press the Download & Install button to get it.

But in case you didn’t get the update on your phone even when it is available for your regions. Well, in that case, you can always choose the manual upgrade option with Firmware. You can download the Galaxy A40 Firmware upgrade option with Firmware. The Firmware is available for download in our download section. Odin Tool can be used to flash the firmware once it has been downloaded. Before you begin, I strongly advise you to make a backup. That is everything there is to it.

Samsung Galaxy A40 gets an upgrade to One UI 3.1 May 14th release

Samsung has begun rolling out the One UI 3.1 update for the Galaxy A40s, which is built on Android 11. In China, the upgrade is available for the Galaxy A40s with the build number A3050ZCU4CUE1. The newest build includes a monthly security fix for April 2021, as well as a slew of new features.

Before sideloading the update, you should check the full changelog here.

Visual Design

We’ve refreshed the look and feel of One UI Core 3.1 in lots of ways, big and small, from new, more consistent icons to smarter organization of the quick panel and notifications. Motion is smoother and more natural than ever, with improved animations and haptic feedback for common interactions. And the interface responds to different screen sizes to provide the best experience on any device, whether it’s a phone, foldable, or tablet.

Improved Performance

We optimized One UI Core 3.1 with enhanced dynamic memory allocation, so apps run faster and perform better. We’ve also restricted background activities to provide better performance and power usage.

Better customization

  • New image categories have been added to Dynamic Lock screen, and you can select up to 5 categories at once.
  • On the Lock screen, you can add a widget to check your usage time.
  • Get an interactive preview when setting a wallpaper.
  • Add a call background to see a picture or video when you make or receive a call.
  • In Samsung Internet, you can reorder and lock tabs.
  • New icons and Lock screen widgets make it easier to find and control your routines.
  • Use Digital Wellbeing with separate personal and work profiles.

Enhanced features

Home screen and Lock screen

  • Add widgets by touching and holding an app on the Home screen.
  • Turn off the screen by double tapping on an empty space on the Home or Lock screen. (Set it up in Settings > Advanced features > Motions and gestures.)
  • On the Lock screen, tap the clock area to see widgets like calendar, weather, and music.

Calls and chats

  • See conversations separately in the notification panel. Works with Messages and your favorite chat apps.
  • Easily remove duplicate contacts stored in the same account in Contacts. The storage period for deleted contacts has been extended from 15 days to 30 days.
  • Added the ability to edit multiple linked contacts from a single screen.
  • Added Trash in Messages so that recently deleted messages are stored for 30 days.

Pictures and videos

  • Take pictures quicker with improved auto focus and auto exposure.
  • View, edit, and share pictures and videos more easily from Gallery.
  • Find pictures and videos quicker with new search features and categories in Gallery.
  • Revert edited pictures to their original versions at any time, even after they’re saved, so you never lose a shot.


  • Settings has a new simpler look and feel. Your Samsung account is shown at the top, and Home screen settings are now easier to access.
  • Find the settings you need more easily with new Search features. You’ll get better results for synonyms and common misspellings, and you can tap on tags to see groups of related settings.
  • 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

  • Made it easier to paste copied images and verification codes from text messages.
  • Added emoji and sticker suggestions when you enter a text-based emoticon.
  • Improved the keyboard layout to provide a larger space bar when entering web and email addresses.
  • Reorganized Keyboard settings so it’s easier to access frequently used settings.


Maintain a healthy balance between work and life by minimizing repetitive and complicated tasks and handling them efficiently.

  • New routines will be recommended based on your daily life and usage patterns.
  • In Internet, you can hide the status and navigation bars for a more immersive experience and quickly translate webpages.
  • You’ll be prompted to block websites that send too many pop-ups or notifications.
  • 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 to easily free up storage space.
  • Events with the same start time are displayed together in the month and list views in Calendar.

Identify and improve your daily habits

Improved Digital Wellbeing features make it easy to check how you’re using your phone or tablet and help you form good digital habits. Check your usage while driving or see weekly changes in your screen time by function at a glance through upgraded weekly reports.

Accessibility for everyone

One UI Core 3 recommends useful accessibility features for you based on your usage. The improved Accessibility shortcut makes accessibility features easier to start and use. You can use the Speak keyboard input aloud feature to get voice feedback of your typing even when TalkBack is turned off.

Stronger privacy protection

You can now let an app access to your microphone, camera, or location just one time. Any permissions that an app hasn’t used in a while will be automatically revoked. You can no longer give apps permission to always see your location in the regular permission popup. To let apps access your location when they’re not in use, you need to go to the location permission page for the app in Settings.


  • Eye comfort shield function has been added.
  • The color temperature of the screen automatically adjusts for the time of day.

Buds Auto Switching

  • Support Buds auto switching between Galaxy phone and tablet.

Share Photo

  • It is now possible to protect your privacy by deleting the location information of previously taken photos before sharing or posting them on social media.

Social Platform

  • Synchronize valid links created on devices with the same registered Samsung account.
  • The use of social media services has been simplified. It is possible to share profiles, photos, notes, schedules, and more with friends simply by logging in to your Samsung account.

Additional Improvements

  • In Clock, you can hear the time and preset name of the alarm read aloud when an alarm rings.
  • Some apps will need to be updated separately after the One UI 3 update.
  • App copies made using Dual messenger can no longer access SD card files directly. To share SD card files in an app copy, select the files in Gallery or My Files, tap Share, then select the app copy.
  • You can no longer use WLAN Direct to send files to other devices. You can use Quick Share instead. You can still receive files using WLAN Direct.

Add New Application

  • Baidu Netdisk, AR Zone, Tencent Drive

If you have any questions, please leave them in the comments section below. Also, please spread the word about this article to your colleagues.

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