This update includes improvements to functions as listed below.
The exact changes may differ depending on your device model, country, and service provider.
To get the best from your device, please keep your device up to date and regularly check for software updates.
Galaxy A04(SM-A045F)
Build Number : A045FXXSGEZH2
Android version : U(Android 14)
Release Date : 2026-09-01
Security patch level : 2026-08-05
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
Build Number : A045FXXSFEZE2
Android version : U(Android 14)
Release Date : 2026-06-04
Security patch level : 2026-05-05
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
Build Number : A045FXXSEEZB1
Android version : U(Android 14)
Release Date : 2026-03-12
Security patch level : 2026-02-05
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
Build Number : A045FXXSDEZA1
Android version : U(Android 14)
Release Date : 2026-01-29
Security patch level : 2026-01-01
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
Build Number : A045FXXSCEYJ2
Android version : U(Android 14)
Release Date : 2025-10-30
Security patch level : 2025-10-01
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
Build Number : A045FXXSBEYF5
Android version : U(Android 14)
Release Date : 2025-07-29
Security patch level : 2025-07-01
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
Build Number : A045FXXSAEYC4
Android version : U(Android 14)
Release Date : 2025-05-06
Security patch level : 2025-04-01
• The security of your device has been improved.
Build Number : A045FXXS9EYA1
Android version : U(Android 14)
Release Date : 2025-03-10
Security patch level : 2025-01-01
• The security of your device has been improved.
Build Number : A045FXXS8EXJ1
Android version : U(Android 14)
Release Date : 2024-10-24
Security patch level : 2024-10-01
• The security of your device has been improved.
Build Number : A045FXXU7EXH2
Android version : U(Android 14)
Release Date : 2024-08-22
Security patch level : 2024-07-01
One UI 6.1 Upgrade
Customize your Galaxy
New wallpaper editing features
Decorate your wallpaper however you like. When you select an image to use as your wallpaper, you can now apply frames and effects.
Customize alarm alerts
Use an image, video, or AR emoji to create your own custom alert screens for each alarm. You can even change the layout of where the alarm information appears on the screen.
More stickers to personalize your calendar
You can now add up to 2 stickers for each date on your calendar. Stickers for events are now shown next to the event name in Month view.
Revamped Calendar settings
Calendar settings have been reorganized to be more intuitive. You can also set background colors and images for full-screen calendar alerts.
Customize reminder alerts
Create the right background for each of your reminders. You can now set colors and background images for full-screen reminder alerts.
Do more with reminder categories
You can now choose a representative icon for each reminder category. You can also pin categories you use frequently to the top of the category list.
Turn modes on or off from the Home screen
Turn modes on and off more quickly than before. The new Mode widget lets you add modes directly to your Home screen.
Reorder your modes
You can now change the order that modes are listed on the Modes tab in Modes and Routines.
Connect and share
Share with more devices
Quick Share has merged with Google's Nearby Share. In addition to Galaxy devices, you can now share with other Android devices even without an internet connection.
Sync Internet tab groups with other devices
Easily pick up where you left off during your last browsing session no matter which device you were using. Tab groups that you create on one device will appear in Samsung Internet on other Galaxy devices signed in to your Samsung account.
Manage your health
Enhanced exercise experience
Compete against your past running results in Samsung Health to try to beat your previous time. You can also crop exercises after you finish to remove any unnecessary time at the beginning or end.
More options for daily activity targets
You now have more options for setting your daily activity targets in Samsung Health. If a step goal doesn't work for you, you can change to floors climbed or active hours instead.
Improved cycle tracking
When you record your physical symptoms and moods, options you've used frequently in the past will appear at the top of the screen. You can also now set custom moods if the default options don't match how you're feeling.
Even more improvements
More information in the Weather widget
The weather widget will let you know when severe thunderstorms, snowfall, or other precipitation is on the forecast in your local area.
Voice input without leaving the keyboard
The keyboard now remains visible while using voice input so you can easily switch back to typing whenever you need to. Tap the mic button at the bottom of the screen to enter text using your voice at any time while using the keyboard.
Open all minimized apps at once
A new button lets you reopen all of the minimized apps at once when you have more than one pop-up window minimized.
Google search suggestions in Finder
When you search using Finder, you’ll also get suggested web searches from Google.
More ways to protect your battery
Choose from 3 different protection options to help extend your battery's lifespan. Basic protection keeps your charge between 95% and 100%. Adaptive protection pauses charging while you're asleep and finishes charging just before you wake up. You can also choose to limit the maximum charge to 80% for maximum protection.
Improved Gallery search
The search screen has been redesigned to make it easier to use. Results are now categorized by type, such as people, places, albums, or stories.
Build Number : A045FXXS6DXF3
Android version : U(Android 14)
Release Date : 2024-06-27
Security patch level : 2024-05-01
• The security of your device has been improved.
Build Number : A045FXXS5DXC2
Android version : U(Android 14)
Release Date : 2024-03-21
Security patch level : 2024-03-01
• The security of your device has been improved.
Build Number : A045FXXU4DXB2
Android version : U(Android 14)
Release Date : 2024-02-08
Security patch level : 2023-12-01
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
Build Number : A045FXXS4CWK2
Android version : T(Android 13)
Release Date : 2023-12-05
Security patch level : 2023-10-01
• The security of your device has been improved.
Build Number : A045FXXU3CWI2
Android version : T(Android 13)
Release Date : 2023-09-20
Security patch level : 2023-08-01
• Overall stability of your device has been improved.
• The security of your device has been improved.
Build Number : A045FXXU3CWG2
Android version : T(Android 13)
Release Date : 2023-08-04
Security patch level : 2023-06-01
• Overall stability of your device has been improved.
• The security of your device has been improved.
Build Number : A045FXXU2CWE4
Android version : T(Android 13)
Release Date : 2023-06-07
Security patch level : 2023-04-01
One UI Core 5.1 Update
One UI Core 5.1 takes your phone to the next level with new Gallery features as well as productivity and personalization enhancements.
Gallery
Revamped info display
When you swipe up while viewing a picture or video in your Gallery, you can see when and where the picture was taken, which device took the picture, where the picture is stored, and more. Now with a simpler layout.
Multitasking
Easily minimize or switch to full screen
You can now minimize or maximize an app window without going to the options menu. Just drag one of the corners.
Access your most used apps in split screen
When you start a split-screen view, the apps you use most often will be shown below your recently used apps to help you find the apps you need faster.
Modes and Routines
Change wallpapers based on your mode
Set a different wallpaper based on your current activity. Choose one wallpaper for work, one for exercising, and more.
More actions for routines
New actions let you control Quick Share and Touch sensitivity, change your ringtone, and change your font style.
Weather
Quick access to useful information
Check severe weather alerts, daily weather summaries, and sunrise/sunset times at the top of the Weather app. The temperature graph now uses colors to show how the temperature changes throughout the day.
Hourly precipitation graph
An hourly graph now shows how much precipitation has fallen at different times of the day.
Summary on Weather widget
A brief summary of the current weather conditions now appears on the weather widget to let you know if it's sunny, cloudy, raining, or snowing.
Samsung Internet
Continue browsing on another device
If you're browsing the web on one Galaxy phone or tablet and later open the Internet app on another Galaxy device signed in to the same Samsung account, a button will appear that lets you open the last webpage you were viewing on the other device.
Improved search
Your searches now include the names of bookmark folders and tab groups. Improved search logic lets you find what you're looking for even if something isn't spelled correctly.
Additional changes
Check the battery level of your devices
The new Battery widget lets you check the battery level of your devices, right from the Home screen. You can see how much battery is left on your phone, Galaxy Buds, Galaxy Watch, and other supported devices.
Settings suggestions
While signed in to your Samsung account, suggestions will appear at the top of the Settings screen to help you share, connect, and enhance your experience across your Galaxy devices.
Choose where to save screenshots
You can now change the folder where screenshots are saved.
Build Number : A045FXXU1BWD2
Android version : T(Android 13)
Release Date : 2023-05-02
Security patch level : 2023-02-01
• Overall stability of your device has been improved.
• The security of your device has been improved.
Build Number : A045FXXU1BWC6
Android version : T(Android 13)
Release Date : 2023-04-12
Security patch level : 2023-02-01
• Overall stability of your device has been improved.
• The security of your device has been improved.
Build Number : A045FXXU1BWB1
Android version : T(Android 13)
Release Date : 2023-02-22
Security patch level : 2022-12-01
One UI Core 5 Upgrade (Android 13)
One UI Core 5 brings you more powerful personalization and makes it easier to get things done across your Galaxy devices.
Visual design
New app icons and illustrations
Icon symbols are larger for a bolder look that's easier to scan. Subtle background gradients and improved contrast give a fresher, more natural feel. New help illustrations have been created to give a consistent look to all apps.
Smoother than ever before
New animations and transition effects make switching between screens feel more natural. Animations and other visual feedback appear instantly when you touch the screen, making interactions more intuitive. Scrolling speed has also been enhanced to make scrolling feel smoother throughout One UI.
Enhanced blur effects and colors
Background blur effects on the quick panel, Home screen, and throughout One UI have been improved with brighter colors for a clearer and more consistent experience. Simplified app color schemes help you avoid distractions and focus on your current task.
Customization
Customize your Lock screen
Just touch and hold the Lock screen to edit. What could be simpler? Customize your wallpaper, clock style, notification settings, and more, with live preview, all in one place.
More wallpaper choices
Wallpaper settings have been redesigned making it easier to find the perfect wallpaper for your Home and Lock screens. There are more images, videos, colors, and filters to choose from than ever before.
More options for your color palette
It's easier to find the colors that are right for you. Choose from up to 16 color themes based on your wallpaper as well as preset color themes that are designed to look great.
Easily see who’s calling
Set a different call background for each contact so you easily see who's calling with just a quick glance.
Modes and routines
Choose modes based on your activity
Choose a mode based on what you're doing, such as exercising, working, or relaxing, then choose what you want your phone to do in each situation. For example, turn on Do not disturb when you're relaxing or play music when you're driving.
Bedtime mode is now Sleep mode
Sleep mode lets you automate more actions when it's time for bed, like turning on Dark mode and changing the sound mode.
Easier to discover preset routines
A simplified layout makes it easier to find routines that are useful for you.
Check running routines quickly
Routines that are currently running are now shown at the top of the Routines screen so you can understand what's happening and make changes if necessary.
More actions and conditions for your routines
Automatically start routines when you use Airplane mode or Mobile Hotspot. Routines can now open app pairs and adjust the left/right sound balance.
Home screen widgets
Stack widgets on your Home screen
Combine several widgets of the same size into a single widget to save space on your Home screen. Just drag a widget onto another widget to create a stack, then swipe to switch between widgets. You can add more widgets to your stack at any time by dragging and dropping.
Multitasking
Switch your view with a gesture
Switch from full screen to split screen view by swiping upward with two fingers from the bottom of the screen. Switch from full screen to pop-up view by swiping inward with one finger from either corner at the top of the screen. Gestures can be turned on or off in Settings Labs.
Quickly open apps in split screen
Just drag an app from the Recents screen to the side of the screen where you want to open it.
Connected devices
Do more with your connected devices
The Connected devices menu has been added to Settings, making it quicker and easier to access features that work with other devices, like Quick Share.
Camera and Gallery
Zoom more easily with one hand
The zoom bar has been condensed so you can zoom in or out farther with a single swipe.
Add watermarks to your pictures
Automatically add a watermark to each picture containing the date and time a picture was taken, your phone's model name, or other custom information.
Choose filters more easily
The filter selection menu has been streamlined in Camera, Photo Editor, and Video Editor. All filters are available in one list, making it easier to find the perfect filter for your picture or video.
Customize albums in Gallery
Choose which albums appear by default and hide less frequently used albums to keep the clutter down. You can also merge albums that have the same name and create albums that automatically update to include pictures of people you select.
All-new look for Stories
Stories that are automatically created in your Gallery have been revamped with an interactive slideshow view. Just tap or swipe to move between pictures and videos in your story.
Photo and Video Editor
Create stickers from any picture
Create reusable stickers from any picture in your gallery. Just select the part of the picture you want to use as a sticker, then adjust the thickness and color of the outlines.
More ways to edit GIFs
You can trim and adjust the ratio of animated GIFs to make them the right size. You can also use the same editing features that are available for still images to decorate your GIF however you like.
Keep portrait mode effects even after editing
Portrait mode effects are now retained even after cropping or changing filters so you can adjust the background blur at any time.
Samsung Keyboard
New emojis available for emoji pairs
In Samsung Keyboard, more than 80 additional emojis are available for creating an emoji pair. You can now combine emojis based on animals, food, and other objects in addition to facial expressions. Choose the perfect combination to get your feelings across.
Rearrange expression buttons in Samsung Keyboard
Touch and hold the emoji, sticker, and other buttons to rearrange them.
Enter kaomoji directly from Samsung Keyboard
Spice up your chats and texts with preset facial expressions created using keyboard symbols. (*^.^*)
Notifications
Get only the notifications you allow
When you use an app for the first time, you’ll be asked whether you want to receive notifications from it. Feel free to say no to apps that you don’t want to disturb you.
Easier access to app notification controls
Is an app sending you too many notifications? It's easier than ever to block it with reorganized notification settings placing app notification controls at the top. You can also go directly to app notification settings using the button at the bottom of the notification panel.
Choose which types of notifications apps can send
You now have separate control over whether apps can show pop-up notifications, app icon badges, and notifications on the Lock screen. Allow all types, some, or none. It's up to you.
New layout for notifications
App icons are larger, making it easier to see which app sent the notification. Text alignment has also been improved to make notifications easier to read.
Settings
Set a language for each app
Want to use some apps in one language and other apps in another? You can now choose which language will be used for each app in Settings.
Set exceptions for Do not disturb
You can now set individual contacts as exceptions to Do not disturb. Your phone will ring or vibrate when the people you choose call and send messages to you, even when Do not disturb is on. It’s also easier to set apps as exceptions so you get notification alerts from them even when Do not disturb is on. Just choose the apps you want to allow from the new grid.
Improved sound and vibration settings
Menus have been reorganized to make it easier to find the sound and vibration options you need. Set your ringtone and change the volume and vibration settings, all in the same place.
More options for RAM Plus
RAM Plus can now be turned off completely in Device care if you don’t need it or don’t want it to use any storage space.
Auto optimization
Device care keeps your phone running smoothly by automatically performing optimizations in the background. To keep your phone in the best condition, you can set your phone to automatically restart when needed.
Security and privacy
Check your phone’s security status at a glance
The new Security dashboard in Settings shows whether your phone has any security issues and helps you fix them quickly.
Security and privacy information for websites
An icon will appear in the address bar in Samsung Internet to show a site's security status.
Maintenance mode
Protect your privacy when someone else is using your phone, such as when you send it in for repairs. Maintenance mode prevents your pictures, messages, accounts, and other personal data from being accessed.
Accessibility
More accessibility options in the quick panel
High contrast font and Color inversion can be added to the quick panel for easier access.
Magnifier is easier to access
Turn on the Magnifier shortcut in Accessibility settings to get quick access to the Magnifier feature. Magnifier uses your phone's camera to enlarge items in the real world so you can take a closer look or make them easier to read.
More spoken assistance
Choose from various types of voice feedback to get help using your phone even if you can't see the screen clearly. You can make your phone read out keyboard input so you can be sure you typed the correct letter, use Bixby Vision to recognize nearby objects and tell you what they are, and turn on audio descriptions that explain what's happening in a video (only for supported videos).
Easily edit your Accessibility button
Tap and hold the Accessibility button to quickly change the features you can access using the button.
New actions available for Corner actions
If you're using a mouse or trackpad, new actions are available when you move the mouse pointer to one of the 4 corners of the screen. You can now click and hold, drag, or drag and drop.
Additional changes
Use several timers at once
You can now start a new timer in the Clock app even if another timer is still running.
More control over calendar event invitees
When you add an event to your Google calendar in the Samsung Calendar app, you can choose whether invitees are allowed to see who else is invited to the event and also choose whether they can invite other people.
Add video conferences to your events
When you create a Google calendar event in the Samsung Calendar app, you can set up a video conference at the same time. Everyone invited to your event will receive the link to the video conference.
Add stickers to your Google calendar
Add stickers to Google calendar events in the Samsung Calendar app to make them easy to see at a glance. Stickers are shown in both calendar and agenda views.
Stay on top of reminders due today
The new Today category shows only reminders due today. You can also check reminders due today at the top of the main screen in the Reminder app.
Show and hide completed reminders
You can show or hide the completed reminders in any category. Show to see what you've already done, or hide to stay focused on things you still need to finish.
Choose the right view for your reminders
Choose the simple view to show more reminders on the screen at once or an expanded view that includes details such as the due date and repeating conditions.
Drag and drop bookmarks between folders
Keep your Samsung Internet bookmarks organized by dragging and dropping them between folders.
More powerful search in My Files
Choose whether to search all files or only files in the current folder. You can also choose between searching only file names or searching information inside of files, such as text in documents or location information in images. When your search is complete, you can sort the results by name, date, size, or file type.
Redesigned Digital Wellbeing
The new dashboard provides clearer usage details and makes it easier to access the features you need, such as app timers and screen time reports.
Get help in an emergency
Quickly press the Side key 5 times to call emergency services even if your phone is in your pocket or you aren't able to talk.
Integrated emergency contact list
Create an emergency contact list that includes the people you want to contact in case of an emergency. The same contact list can be used for emergency features on both your watch and your phone.
Some apps will need to be updated separately after the One UI Core 5 upgrade.
Build Number : A045FXXS1AWA1
Android version : S(Android 12)
Release Date : 2023-02-06
Security patch level : 2022-11-01
• Security
The device is protected with improved security.
Build Number : A045FXXS1AVI1
Android version : S(Android 12)
Release Date : 2022-10-20
Security patch level : 2022-10-01
• The security of your device has been improved.