Samsung Galaxy Watch 42mm
The latest firmware for Samsung Galaxy Watch 42mm (SM-R815U) is R815USQU1DVH1, released on August 19, 2022 for 3 regions (CSC). Every official firmware build for SM-R815U, newest first: one row per build with all regions (CSC) that received it.
The newest build, R815USQU1DVH1, was released on August 19, 2022. No new build has appeared for 50 months, so regular updates for this model have most likely ended.
• Watch faces
- Support the new Watchfaces
• Exercise
- Support Group Challenge Widget in watch
- Provide more accurate calorie consumption levels based on HR (Except swimming)
- With sensor function updates, reducing the recognition time for automatic exercise
(Running, elliptical, rowing machine)
- Display walking/running live status through on-going icon in Watchface
(Real-time walking, running, Pause)
- Display the finish timer before the automatic walking/running exercise end
• Calend...
- Enhanced Notification : Upon receiving a message notification, a chat window appears and can also view images.
- AR Emoji/Bitmoji : Send AR Emoji and Bitmoji through the watch.
- Capture : Supports scroll capture feature that automatically sends the screen-capture image to the phone.
- If exercising with a watch, the voice guidance is provided through the connected headset.
- Voice notification has been added for cumulative distance and heart rate data, during the Auto Lap of Running/Cycling e...
• Watch faces : Additional Watch Face Complications added.
(Begin Workout, Breathing and others.)
• Added new watch face 'My Style' which recommends variety of watch faces that suits outfit by taking picture of clothing
• Additional indicator feature in watch face to show background running app such as workout tracking, timer. Tapping on the indicator will take you back to the app
• Additional emoticons to provide variety of skin tones
• Improved User Interaction for following features
- Alwa...
- One UI for Watch
· Check information on your watch at a quick glance. Updated graphics(motion, interface) delivers refreshed look
- Watch faces
· You can now download new designs of watch faces
- Quick panel
· Now supports additional pages to allow quick access to setting control
- Settings
· Setting menus have been updated for easier discovery. Daily briefing setting has been added for watch to be smarter. Additionally, Sleeping mode can now be turned on/off. Watch can now be set to wake...
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
Box codes of SM-R815U for different colors and markets. Firmware is chosen by the model code SM-R815U and your region (CSC), not by the SKU.

SM-R540N

SM-R640N

SM-R630N

SM-R420N

SM-R530N

SM-R900N

SM-R910N

SM-R840N
The latest build for SM-R815U, R815USQU1DVH1, was released on August 19, 2022 (4 years ago).
SM-R815U has had no new firmware for 50 months, so regular updates have most likely ended.
Yes, all firmware files for SM-R815U are 100% official, original, and obtained directly from Samsung servers.
To flash SM-R815U, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-R815U.