
Samsung Galaxy A8s G8870ZCU3CTB2 is an Android 10 firmware for China (CHC). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build G8870ZHU3CTB2 https://samfirm.shop/build/G8870ZHU3CTB2, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-G8870 is available: G8870ZHU7CZB1 https://samfirm.shop/build/G8870ZHU7CZB1.
Bootloader binary 3. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Pick your region (CSC) to download the matching firmware package.
| Model | Region | CSC Version | Release date | Size | File name | Download |
|---|---|---|---|---|---|---|
| SM-G8870 |
CHC China | G88703CTB2 | 2020-03-09 | — | — | Download |
| SM-G8870 |
CHC China | G8870CFE3CTB2 | 2020-03-10 | 4.857 GiB | SM-G8870_12_20220822145210_sbz8kuep6o_fac.zip | Download |
No matching downloads
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.
• Stability and reliability
Device behavior has been improved.
These changes may vary depending on the model, country, or network operator of the customer environment.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
• Overall stability of your device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
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.
• Overall stability of your device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
• The security of your device has been improved.
• Optimizing telephone network
• Add Baidu Cloud APP
• Add Tencent Cloud APP
• The security of your device has been improved.
• Optimizing telephone network
• Other bug fixes
- fix the device restart issue
The exact changes may differ depending on your device model, country/Region, and service provider.
• Other bug fixes
- fix the device restart issue.
• 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.
The exact changes may differ depending on your device model, country/Region, and service provider.
• Other bug fixes
- The stability of telephone function has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
• 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.
• 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.
The exact changes may differ depending on your device model, country/Region, and service provider.
• 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.