
Samsung Galaxy Watch 42mm
The latest firmware for Samsung Galaxy Watch 42mm (SM-R810) is R810XXU1GWE2, released on May 17, 2023 for 68 regions (CSC). Every official firmware build for SM-R810, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/R810XXU1GWE2
The newest build, R810XXU1GWE2, was released on May 17, 2023. No new build has appeared for 41 months, so regular updates for this model have most likely ended.
• Stability and reliability
Sensor behavior has been improved.
• Daylight saving time
Daylight saving time(Chile) has been updated
• Stability and reliability
The stability has been improved.
• GPS
The stability has been improved.
• 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...
• Improved Messaging App stability
• Improved WiFi stability
- 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...
• Improved Battery Life
• Improved system stability and reliability
• Bixby
- New Bixby helps you get tasks done more easily. Start an exercise with specific goals or ask time difference between your city and the one you will be traveling.
• 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, ti...
• Bixby
- New Bixby helps you get tasks done more easily. Start an exercise with specific goals or ask time difference between your city and the one you will be traveling.
• 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, ti...
Daylight saving time in Brazil has been changed.
· Improved system reliability
· Disabled automated sync of Alarm from paired Smartphone to Watch
· Improved tracking for Swim
- 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...
· Overall device stability improvement, bug fixes
· Improved reliability of Heart Rate Monitoring Sensor
· Improved Battery Life
· Fixed issue with Galaxy Watch not re-connecting to paired smartphones
· Improved battery efficiency when the NFC setting is turned on
· Improved GPS accuracy and connection
Daylight saving time in Brazil has been changed.
· Improved usability and experience
· Improved reliability of Music play
· Reliability of battery charging enhanced
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
·Improved Samsung Health experience
·Improved device stability
Box codes of SM-R810 for different colors and markets. Firmware is chosen by the model code SM-R810 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-R810, R810XXU1GWE2, was released on May 17, 2023 (3 years ago).
SM-R810 has had no new firmware for 41 months, so regular updates have most likely ended.
Yes, all firmware files for SM-R810 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-R810, 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-R810.