Samsung 三星W21 5G W2021ZCU2CUK2 Firmware
Samsung 三星W21 5G W2021ZCU2CUK2 is an Android 11 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 W2021ZCU2CUI3: security patch 2021-11-01 instead of 2021-08-01. A newer build for SM-W2021 is available: W2021ZCU7GZE1.
Bootloader binary 2. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
All regional downloads
Pick your region (CSC) to download the matching firmware package.
What's new in W2021ZCU2CUK2
• Overall stability of your device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
※ After the updating, it is needed to agree to the terms and conditions due to the enforcement of the Personal Information Protection act.
How to flash W2021ZCU2CUK2
- Install Samsung USB Drivers:Download Official Drivers
- Download Odin Flash Tool:
- W2021ZCU2CUK2 has bootloader binary 2. Your device must run binary 2 or lower: it is the 5th character from the end of your current build number.
- CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
- HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
- The Download Mode key combo depends on the model: see all combos.
Frequently Asked Questions
Other builds and changelog for Samsung 三星W21 5G
• Stability and reliability
Device behavior has been improved.
These changes may vary depending on the model, country, or network operator of the customer environment.
Show 15 older builds
Better app previews on the Recents screen
The Recents screen now shows apps as they will appear after you open them. You can easily see if an app is opened in split screen, full screen, or as a pop-up.
Easily switch from pop-up view to split screen
Press and hold the handle at the top of the pop-up window, then drag the app to the side of the screen where you want it to be shown.
Restore pop-ups snapped to the edge of the screen
Drag an app in pop-up view t...
• Overall stability of your device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
• The Camera and Gallery functions have been improved.
• Overall stability of your device has been improved.
The 天翼云VR app will be removed after the update followed by a factory data reset. To keep using the application, please download the app from an app store such as the Galaxy Store.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
One UI 5.1 takes your phone to the next level with new Gallery features as well as productivity and personalization enhancements.
Quickly change the color tone for selfies
It's easier to change the color tone of your selfies using the Effects button at the top of the screen.
More powerful search
You can now search your Gallery for more than one person or subject at the same time. You can even search for people without tagging their names just by tappin...
One UI 5 brings you more powerful personalization and makes it easier to get things done across your Galaxy devices.
New app icons and illustrations
Icon symbols are larger for a bolder look that's easier to scan. Subtle background gradients and improved contrast give a fresher, more natural feel. New help illustrations have been created to give a consistent look to all apps.
Smoother than ever before
New animations and transition effects make swi...
Switch between apps quickly
A taskbar now appears at the bottom of the main screen for quicker navigation between apps.
Quickly open apps in split screen or a pop-up window
Drag apps from the taskbar or Recents screen to open them however is most convenient for you. Drag to the top, bottom, left, or right edge of the screen to open in split screen. Drag to the center of the screen to open in a pop-up.
Open app pairs quickly
Pair apps that you often use toge...
• Following applications or features added: 芒果TV三星版
• Overall stability of your device has been improved.
One UI 4.1 Upgrade (Android 12)
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.
Gallery
Do more with your memories. Gallery brings enhanced features for remastering and organizing your pictures and videos, and sharing is now easier than ever.
Add portrait effects
You can now add background blur to any picture with a person in view.
Convert unnecessary motion photos to still images
Save...
• 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.
※ After the updating, it is needed to agree to the terms and conditions due to the enforcement of the Personal Information Protection act.
One UI 3.1.1 for W21 5G takes your productivity to the next level. Multitasking is easier than ever with enhanced multi-window and task-switching features. We've also optimized more apps to take advantage of the large screen, helping get more done. Explore these exciting new additions that make your W21 5G easier and more fun to use.
Scroll down for a full list of changes.
Multi window
• Touch and hold text, a link, or a file in Notes, My Files, Messages, or Samsung Intern...