What's new

One UI 2.1 upgrade with Android 10

One UI 2.1 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, Samsung Notes, need to be updated individually after you update your OS, and we recomend to update all of apps to latest version.

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.

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 2.1 automatically adjusts font colors based on light and dark areas and color contrast in the image below.

Smart Manager
- The battery usage graph now provides more detailed information.

Digital wellbeing
- Set goals to keep your phone usage in check.
- Use Focus mode to help avoid distractions from your phone.

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.

My Files
- Added more filters you can use while searching to help you find things quickly.

Samsung keyboard
- A multilingual translation feature has been added.
- A text undo/redo feature has been added.

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

Other improvements and changes
- Quick panel Added new feature : "Focus mode", "Quick Share". 

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How to flash firmware

1. Extract (unzip) the SM-T290_CHN_T290ZCU3BTG1......T290ZCU3BTG1.zip file. using WinRAR or 7-Zip.
2. Download Odin Tool 3.14.1
3. Extract Odin and open it.
4. Reboot Samsung Phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)
5. Connect you Samsung Phone and wait until you get a BLUE sign in Odin.
6. Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots.
7. Do NOT tick any extra boxes. The only options to be ticked are F.Reset Time and Auto-Reboot.
8. Click the start button, wait for Odin to say 'PASS' in a GREEN sign. Once the flash is complete, your phone will reboot, and you can disconnect your phone from the PC.

Other Firmwares