Samsung Galaxy Watch4 Classic R8950ZCU1JYL6 is an Wear OS 6.0 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 R8950ZCU1IYI1: Android updated from Wear OS 6 to Wear OS 6.0; security patch 2026-01-01 instead of 2025-08-01. A newer build for SM-R8950 is available: R8950ZCS2JZG3.
Bootloader binary 1. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Pick your region (CSC) to download the matching firmware package.
Specifications of SM-R895F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
Stay on top of important tasks with the Now bar
Check the information you need right now and start essential features straight from your watch face. Ongoing tasks will appear in the Now bar at the bottom of your watch face so you can check key information quickly.
Do more with double pinch
Just pinch your thumb and index finger together twice to scroll through notifications, control music, take pictures, and more. You can also customize what happens when you double pinch on the watch face, music controller, as well as alarm, calendar, and reminder alerts. Choose the actions you need most in each situation.
Mark reminders as important
Mark reminders as important by tapping the Star icon. You can choose to have important reminders pinned to the top of the list to make sure you notice them.
Get reminders at specific places
You can now set location-based reminders on your watch. For example, you can make your watch remind you to do the laundry when you arrive at home.
New charging effects
When your watch is charging, the new screen layout and animations make it easier to check the current battery level and remaining charging time.
Easily respond to notifications and alerts
Use gestures to quickly respond to notifications and alerts. When a notification appears, you can double pinch to view the details or send a reply. You can also shake your wrist to return to the watch face.
Enhanced notification view
Notifications on your watch are now easier to use with an attractive new design. Notifications from the same app are stacked vertically, allowing you to view more notifications with fewer swipes.
Smarter notification settings
It's now easier to decide how to receive notifications from your phone on your watch. If you choose Smart device selection, notifications will appear on your phone only when you're using it and on your watch when you're not using your phone. If you choose Always show on both, notifications will always appear on both your phone and watch.
Bedtime guidance
Get to sleep at the right time so you wake up feeling refreshed. The new Bedtime guidance feature analyzes your sleep data and recommends the best time to go to sleep each night.
Mindfulness
Manage stress and anxiety in your daily life with the new Mindfulness feature in Samsung Health. You can keep track of your moods and emotions and practice breathing exercises to reduce stress.
Find the perfect watch face
It's now easier to find the watch face that's right for you. Just choose a few keywords such as your preferred style, color, and information to show. The best matches will be suggested from our collection of more than 300 watch faces.
Recommended watch faces
Discover new watch faces that you might like. Watch faces with colors, style, or information similar to your current watch face will be recommended on the watch face selection screen.
Create your own tiles
Create your own custom tiles that show the information you need. You can even combine information from different apps into a single tile. You can include weather information, calendar events, reminders, and more.
Personalized Apps screen
Featured apps now appear at the top of your Apps screen to give you quick access to the apps you need the most. Apps will be featured based on how often you use them and other usage patterns. You can also view your apps as a list with names instead of only icons.
Choose calendars to show on your watch
You can now choose which calendars to show in the Calendar app on your watch. You can show all of the same calendars that are on your phone or customize to show only the calendars you need.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Stability and reliability
Device behavior has been improved.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Stability and reliability
Device behavior has been improved.
These changes may vary depending on the model, country, or network operator of the customer environment.
Stay on top of important tasks with the Now bar
Check the information you need right now and start essential features straight from your watch face. Ongoing tasks will appear in the Now bar at the bottom of your watch face so you can check key information quickly.
Do more with double pinch
Just pinch your thumb and index finger together twice to scroll through notifications, control music, take pictures, and more. You can also customize what happens wh...
• Stability and reliability
Device behavior has been improved.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Stability and reliability
The stability has been improved.
• Security
The device is protected with improved security.
Discover new watch faces
Express your individual style with these new premium watch faces. Spatial Number provides an analog clock on top of large bold digits. Simple Digital is for people who prefer a minimalist design. Ultra Info Board lets you quickly check your workout information. You can find these watch faces in the new featured watch faces section of the Galaxy Wearable app. You can also browse watch faces by keyword including colors,...
Watch faces and tiles
• Add watch faces and tiles more easily
A new vertical layout makes it easier to find the watch faces and tiles that are right for you.
• Check the battery level of all your devices
The new Battery tile lets you quickly check the battery level of your watch, phone, and Galaxy Buds.
• Improved Buds controller tile
You can now turn 360 audio on and off from the Buds controller tile if your Buds support 360 audio.
• Quick access to timers
You can st...
• Some apps will be changed to deletable.
• The following features will have menus added to the Settings app.
- Bixby : Settings → Advanced features → Bixby Settings
- Recently used apps : Settings → Advanced features → Customize keys → Back key → Short press → Show recent apps
• New Camera Controller feature added
Change zoom on your phone camera remotely through pinching in or out on the screen, or through rotating the bezel.
※ This feature is only supported on flagship models released aft...
• Watch Face
Enjoy new and improved watch faces with enriched style and customizable options.
- 6 new watch faces
(Pebbles, Flower garden, Info Board, Pro analog, Kinetic digits, Gradient number)
- More customizable options added for existing watch faces
(Dial, Indexes, Character, Color, Complication, Clock type)
- New complications have been added.
• Watch home screen
- Add watch faces as your favorite, make finding and changing watch face easier.
- Explore watch face list to add wat...
• Watch faces
- Supports 4 types of new Watch faces.
- Together, AR Emoji, Bitmoji Watch face: Usability was improved.
- My Photo Watch face: Supports GIF files.
- Animal, Cute Character Watch face: Customization feature was improved.
- Supports the backup and restoration of the order of Watch faces and the changed settings of the preloaded Watch faces.
• Samsung Health
- An improved HR measurement accuracy algorithm was added.
- The sensitivity option in the Fall Detection feature was ad...