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 A8s (SM-G8870)

Build Number : G8870ZCU7CVH2

Android version : Q(Android 10)

Release Date : 2022-09-02

Security patch level : 2022-06-01

• Overall stability of your device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.

Build Number : G8870ZCU7CVA3

Android version : Q(Android 10)

Release Date : 2022-03-04

Security patch level : 2022-01-01

The exact changes may differ depending on your device model, region, and service provider.

• Overall stability of your device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.

Build Number : G8870ZCU7CUI1

Android version : Q(Android 10)

Release Date : 2021-10-01

Security patch level : 2021-08-01

• Overall stability of your device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.

Build Number : G8870ZCU6CUD1

Android version : Q(Android 10)

Release Date : 2021-04-15

Security patch level : 2021-03-01

• The security of your device has been improved.
• Optimizing telephone network
• Add Baidu Cloud APP
• Add Tencent Cloud APP

Build Number : G8870ZCU5CUA1

Android version : Q(Android 10)

Release Date : 2021-01-28

Security patch level : 2020-12-01

• Other bug fixes
- fix the device restart issue

Build Number : G8870ZCU5CTL1

Android version : Q(Android 10)

Release Date : 2021-01-06

Security patch level : 2020-12-01

• Other bug fixes
- The stability of telephone funtion has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.

Build Number : G8870ZCU5CTI3

Android version : Q(Android 10)

Release Date : 2020-10-15

Security patch level : 2020-09-01

• Other bug fixes
- The stability of telephone network has been improved.
- The stability of Camera has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.

Build Number : G8870ZCU4CTF2

Android version : Q(Android 10)

Release Date : 2020-07-02

Security patch level : 2020-06-01

• Other bug fixes
- The stability of receive call block funtion has been improved.
- The stability of Device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.

Build Number : G8870ZCU4CTD2

Android version : Q(Android 10)

Release Date : 2020-05-14

Security patch level : 2020-04-01

• Other bug fixes
- The stability of WLAN has been improved.
- The stability of Camera has been improved.
- The quality of call has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.

Build Number : G8870ZCU3CTB2

Android version : Q(Android 10)

Release Date : 2020-03-09

Security patch level : 2020-01-01

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, Game Launcher, Voice Recorder, Samsung Internet, Samsung Health 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.

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 2 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.

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.

Tips
- Added tips to help you get the most from your Galaxy.

Added new application : QQ Music, Samsung FM
The Navigation bar has been removed from Quick Panel.

Build Number : G8870ZCU3BSL2

Android version : Pie(Android 9)

Release Date : 2019-12-18

Security patch level : 2019-11-01

- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : G8870ZCU3BSK2

Android version : Pie(Android 9)

Release Date : 2019-12-06

Security patch level : 2019-11-01

· The security of your device has been improved.

Build Number : G8870ZCU2BSH4

Android version : Pie(Android 9)

Release Date : 2019-08-30

Security patch level : 2019-08-01

- China Telecom VoLTE Option enabled as default. If your CTC SIM card does not support VoLTE, there can be issue in sending call or message so, please Turn off the VoLTE HD voice after upgrade. (Settings - Connections - Mobile networks)
or recommend contact operator to enable volte.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : G8870ZCU2BSG1

Android version : Pie(Android 9)

Release Date : 2019-07-12

Security patch level : 2019-07-01

- Added new feature
ㆍBlue Light Filter function is added.
- Other bug fixes
ㆍThe stability of Camera has been improved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : G8870ZCU1BSE3

Android version : Pie(Android 9)

Release Date : 2019-06-03

Security patch level : 2019-04-01

Upgraded One UI for Android Pie

One UI brings you Android Pie, with exciting new features and a whole new look and feel based on feedback from users in Samsung and Google.
We recommend that you back up your important data to keep it safe before the upgrade.
Some apps, including Calculator, Samsung Internet, Samsung Health, Samsung Notes, Samsung Members, Samsung Pay，need to be updated individually after you update your OS.
To use the "Remote Unlock" function in "Find My Mobile" from the Android Pie OS, the screen lock password (or PIN, pattern) backup process is needed. So please be sure to remember the screen lock password (or PIN, pattern) before starting the update process. If you forget the password (or PIN, pattern), do reset it before starting the update process.

Here’s what’s new.

One UI
- Content, settings, and other information have been reorganized to keep you focused on the task at hand.
- Interactive elements have been moved to the bottom of the screen so they're always within reach.
- New designs and features such as Night mode help keep your eyes comfortable.

Notifications
- You can reply to messages directly in the notification panel.
- Image thumbnails are included in message notifications.
- In an app's notification settings, tap the switch once to turn on or off all the notifications in a category.

Samsung Keyboard
- New Unicode 11.0 emojis are available.
- New adaptive theme changes your keyboard look based on the colors of the surrounding app.
- Floating keyboard is available in all apps and has new size and transparency settings.
- You can set a custom touch and hold delay.

Settings
- Menus have been reorganized to make settings easier to find.

Bixby
- Bixby is all new, with a range of improvements and new features.
- Swipe left from the main Bixby screen to explore the latest features and supported apps.
- You can control the Bixby key in settings to decide what happens when you press or double press.

Phone
- Your call history can include up to 2000 entries (increased from 500 entries).

Contacts
- The new drawer menu makes it easier to manage contacts from various accounts.

Camera
- The new Scene optimizer automatically enhances the camera's color settings to fit the scene.

Gallery
- Photo Editor Pro's editing tools have been added to Gallery, so you can make all your edits and touchups without leaving the app.

My Files
- The new storage analysis tool has been added to help you monitor your storage usage and save space.
- You can now show or hide items on the My Files Home screen.

Samsung Health
- Your daily step count will be shown in the notification panel. To hide it, press and hold the notification, then turn off Current steps.

Other improvements and changes
- Turn on the screen automatically whenever you pick up your phone using the Lift to wake feature.
- Access Kids Home on the quick panel.
- Open Calendar was removed
- HEIF images are now supported.

Build Number : G8870ZCU1ASB1

Android version : Oreo(Android 8.1.0)

Release Date : 2019-02-14

Security patch level : 2019-01-01

- Other bug fixes
ㆍThe stability of Camera has been improved.
- Improved performance
ㆍThe image quality of Camera has been improved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
- The icon of calendar app will be changed.

Build Number : G8870ZCU1ASA1

Android version : Oreo(Android 8.1.0)

Release Date : 2019-01-09

Security patch level : 2019-01-01