
The latest firmware for Samsung Gear S3 Frontier (SM-R765N) is R765NXXU1EUD1, released on May 9, 2021 for 2 regions (CSC). Every official firmware build for SM-R765N, 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/R765NXXU1EUD1
The newest build, R765NXXU1EUD1, was released on May 9, 2021. No new build has appeared for 67 months, so regular updates for this model have most likely ended.
- 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...

SM-R765

SM-R770

SM-R750J

SM-R860

SM-R861
The latest build for SM-R765N, R765NXXU1EUD1, was released on May 9, 2021 (5 years ago).
SM-R765N has had no new firmware for 67 months, so regular updates have most likely ended.
Yes, all firmware files for SM-R765N are 100% official, original, and obtained directly from Samsung servers.
To flash SM-R765N, 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-R765N.
Yes. Every build on this page is the official stock ROM for SM-R765N from Samsung's update server, the same package other sites call the flash file or the software update. It installs with Odin on a Windows PC.
No. Factory Reset Protection is tied to the Google account that was on the phone and survives a firmware flash. Sign in with that account or use the legal options in our FRP guide.