Samsung Galaxy Watch3 (SM-R845U)
R845USQU1DWK2 Firmware for Samsung Galaxy Watch3 (SM-R845U) — XAR
Firmware Information
- PDA Version
- R845USQU1DWK2
- CSC Version
- R845UOYN1DWK2
- CSC Code
XAR - United States- Size
- 774 MB
- Build Date
- 2024-01-03
- Downloads
- 0
- Device Name
- Samsung Galaxy Watch3
- Model Code
- SM-R845U
- Brand
- Samsung
- CSC Region
- XAR - United States
- Firmware Package
- Full files
- Status
- Active
- Added On
- 2026-07-20
- Updated On
- 2026-08-20
- Total Downloads
- 0
Compatibility
This firmware is compatible with Samsung SM-R845U. Check your model code, CSC, and device region before flashing.
Inside the ZIP File Breakdown
| File Type | File Size | Description | Extension | Download |
|---|---|---|---|---|
| AP | 1.92 GB | System, recovery, vendor, and main Android partitions. | .zip | Download |
| BL | 38.27 MB | Bootloader package required for device startup. | .zip | Download |
| CP | 32.76 MB | Modem and cellular radio firmware package. | .zip | Download |
| CSC | 73.42 MB | Regional carrier settings and customization data. | .zip | Download |
Verify your download
Compare this MD5 checksum against the file you downloaded to confirm it wasn't corrupted or tampered with in transit.
e76935297316732cfaecb11470d2fb34This is the free official stock ROM for the Samsung Galaxy Watch3 (SM-R845U), specific to the XAR region. This firmware has the PDA version R845USQU1DWK2 and runs on Android N/A with a bootloader binary revision of Bit 1. Download this flash file to safely update or repair your device.
Samsung Galaxy Watch3 Firmware ArchiveHow to Flash Samsung Galaxy Watch3 Firmware with Odin
- 1
Download & Extract Files
Download the firmware ZIP and Odin tool from ZipFirmware. Extract both archives to a local folder — avoid paths with spaces or special characters.
- 2
Boot into Download Mode
Power off your Samsung device. Hold Vol Down + Power (or Vol Down + Bixby + Power on older models) until the warning screen appears, then press Vol Up to confirm.
- 3
Connect via USB & Confirm COM Port
Open Odin as Administrator on your PC and connect your device via USB. When the ID:COM box turns blue and shows "Added!", your device is recognized and ready to flash.
- 4
Load Firmware Files into Odin Slots
Click the BL, AP, CP, and CSC buttons in Odin and select the matching .tar.md5 files from your extracted firmware folder. Never mix files from different firmware versions.
- 5
Flash & Verify Success
Click Start. Odin flashes each partition in sequence. When the bar turns green and shows "PASS!", the flash is complete. Your device reboots automatically — do not disconnect USB until finished.