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 Tab S4 (SM-T835)

Build Number : T835DDS5CVE1

Android version : Q(Android 10)

Release Date : 2022-05-25

Security patch level : 2022-03-01

• The security of your device has been improved.

Build Number : T835DDU5CUL2

Android version : Q(Android 10)

Release Date : 2022-04-27

Security patch level : 2021-11-01

• The security of your device has been improved.

Build Number : T835DDU5CUE2

Android version : Q(Android 10)

Release Date : 2021-06-30

Security patch level : 2021-03-01

• Fonction Quick Share améliorée
- Amélioration du partage de fichiers entre appareils Galaxy utilisant Quick Share.
• La stabilité générale des fonctions a été améliorée.
• La sécurité de votre appareil a été améliorée.
※ Une fois la mise à jour effectuée, vous ne pourrez plus revenir à l'ancienne version du logiciel en raison des mises à jour de la politique de sécurité.

La mise à jour du logiciel peut comprendre, sans toutefois s'y limiter :
- Des améliorations de la stabilité de l'appareil et la correction de bugs.
- De nouvelles fonctionnalités et/ou des fonctionnalités améliorées.
- D'autres améliorations pour une performance accrue.
Afin de profiter au maximum de votre appareil, veillez à ce qu'il soit à jour et vérifiez régulièrement les mises à jour du logiciel.

Build Number : T835DDU4CTK1

Android version : Q(Android 10)

Release Date : 2021-03-23

Security patch level : 2020-11-01

La mise à jour du logiciel peut comprendre, sans toutefois s'y limiter :
- Des améliorations de la stabilité de l'appareil et la correction de bugs.
- De nouvelles fonctionnalités et/ou des fonctionnalités améliorées.
- D'autres améliorations pour une performance accrue.
Afin de profiter au maximum de votre appareil, veillez à ce qu'il soit à jour et vérifiez régulièrement les mises à jour du logiciel.

Build Number : T835DDU4CTI2

Android version : Q(Android 10)

Release Date : 2020-10-20

Security patch level : 2020-09-01

• The security of your device has been improved.

Build Number : T835DDU4CTG1

Android version : Q(Android 10)

Release Date : 2020-08-13

Security patch level : 2020-07-01

• Improved battery charging algorithm and stability
• The stability of Camera has been improved.
• Overall stability of functions improved.
• The security of your device has been improved.

Build Number : T835DDU4CTF6

Android version : Q(Android 10)

Release Date : 2020-06-26

Security patch level : 2020-06-01

One UI 2 upgrade with Android 10

One UI 2 brings you Android 10, with exciting new features from Samsung and Google based on feedback from users like you.
We recommend that you back up your important data to keep it safe during the upgrade.
Some apps, including Calculator, Samsung Internet, and Samsung Notes, need to be updated individually after you update your OS.

Here's what's new.

Dark mode
- Enhanced image, text, and color adjustments for day and night environments.
- Darkened wallpapers, widgets, and alarms while Dark mode is on.

Icons and colors
- Clearer app icons and system colors.
- Improved layouts for titles and buttons to eliminate wasted screen space.

Smoother animations
- Enhanced animations with a playful touch.

Full screen gestures
- Added new navigation gestures.

Refined interactions
- Navigate more comfortably on large screens with minimal finger movement.
- Easily focus on what matters with clearly highlighted buttons.

Accessibility
- High contrast keyboards and layouts for large text have been improved.
- Listen to live speech and display it as text.

Better text over wallpapers
- See text more clearly against wallpaper, as One UI automatically adjusts font colors based on light and dark areas and color contrast in the image below.

Media and devices
- Replaced the SmartThings panel with the Media and Devices.
- Media: Control music and videos playing on your tablet as well as other devices.
- Devices: Check and control your SmartThings devices directly from the quick panel.

Device care
- The battery usage graph now provides more detailed information.

Digital wellbeing
- Set goals to keep your tablet usage in check.
- Use Focus mode to help avoid distractions from your tablet.
- Keep an eye on your kids with new parental controls.

Camera
- Added the ability to edit the modes that appear at the bottom of the screen.
- Provided a More tab so you can quickly access hidden modes from the preview screen.
- Improved the layout so you can focus on taking pictures without the settings getting in the way.

Internet
- Customize the quick menu to get instant access to the features you use the most.
- Get more information from the app bar.
- Install add-ons from the Galaxy Store to get even more features.

Samsung Contacts
- Added Trash feature for Contacts. Contacts that you delete will stay in the trash for 15 days before being deleted forever.

Calendar
- Stickers can be added to a date without creating an event.
- Ringtones can be used for event alerts.

Reminder
- More options are available for repeating reminders.
- Set location-based reminders for a specific period of time.
- Share reminders with your family group and other sharing groups.
- Set reminders for a specific date without an alert.

My Files
- Created a Trash feature so you can restore files if you delete something by mistake.
- Added more filters you can use while searching to help you find things quickly.
- You can now copy or move multiple files and folders to different destinations at the same time.

Calculator
- Added speed and time units to the unit converter.

Samsung keyboard
- A multilingual translation feature has been added.
- A text undo/redo feature has been added.
- You can now search for music in Spotify directly from the keyboard.
- An icon to open Samsung Pass has been added.

Quick Share
- Files can now be quickly and easily shared with nearby Samsung devices using Quick Share.

Music Share
- Music Share now lets you share music with your friends using a Bluetooth audio device.

Samsung Daily
- Bixby Home has been replaced with Samsung Daily.

Build Number : T835DDS4BSL2

Android version : Pie(Android 9)

Release Date : 2020-01-06

Security patch level : 2019-12-01

· The security of your device has been improved.

Build Number : T835DDU3BSI1

Android version : Pie(Android 9)

Release Date : 2019-10-18

Security patch level : 2019-09-01

· The security of your device has been improved.

Build Number : T835DDU3BSH1

Android version : Pie(Android 9)

Release Date : 2019-08-29

Security patch level : 2019-07-01

· The security of your device has been improved.

Build Number : T835DDU3BSH1

Android version : Pie(Android 9)

Release Date : 2019-08-23

Security patch level : 2019-07-01

· The security of your device has been improved.

Build Number : T835DDU2BSD1

Android version : Pie(Android 9)

Release Date : 2019-04-18

Security patch level : 2019-03-01