Samsung Firmware SM-A2070 CHC A2070ZCU2BTD9 A20702BTD9 A2070ZCU2BTD9 | EN

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, Voice Recorder, 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.

One-handed mode
- New ways to access One-handed mode: double tap the Home button or swipe down in the center of the bottom of the screen.
- Settings moved to Settings > Advanced features > One-handed mode.

Accessibility
- High contrast keyboards and layouts for large text have been improved.

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

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.

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
- 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.

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

※ The following applications have been installed : QQMusic
※ The following applications have been deleted : Samsung Music, Samsung Video
※ Quick menu deleted "Navigation bar"
※ Quick menu add "Focus mode"