Download firmware for the Samsung Galaxy Watch5 44mm SM-R915U LTE/4G. This page provides information about the SM-R915U model, firmware versions, Android and One UI Watch versions, regional information, and a direct Google Drive download link.
The Samsung Galaxy Watch5 SM-R915U is the 44mm LTE/4G version of the Galaxy Watch5. Firmware listings identify the model with the XAA U.S. CSC and show firmware releases from Android Wear 4.5 through the latest Android Wear 6.0 / One UI Watch 8 generation.
| Information | Details |
|---|---|
| Brand | Samsung |
| Device | Galaxy Watch5 |
| Model | SM-R915U |
| Size | 44mm |
| Connectivity | LTE / 4G |
| Device Type | Smartwatch |
| Firmware Type | Stock Firmware |
| Operating System | Wear OS |
| Latest Android Version | Android 16 |
| Latest One UI Watch | One UI Watch 8 |
| Latest Firmware | R915USQS2DZG3 |
| Security Patch | August 5, 2026 |
| Main CSC | XAA |
| Market | United States |
The latest firmware listing for the SM-R915U is R915USQS2DZG3, with the August 5, 2026 security patch and Android Wear 6.0 / One UI Watch 8.
The firmware file provided for the Samsung Galaxy Watch5 44mm SM-R915U is hosted on Google Drive.
Download Samsung Galaxy Watch5 SM-R915U Firmware
Before downloading, check your smartwatch model and make sure it is SM-R915U.
Current firmware listings identify R915USQS2DZG3 as the latest listed firmware for the SM-R915U.
| Information | Details |
|---|---|
| Model | SM-R915U |
| Device | Galaxy Watch5 44mm |
| Firmware | R915USQS2DZG3 |
| Android | Android 16 |
| One UI Watch | One UI Watch 8 |
| Security Patch | August 5, 2026 |
| CSC | XAA |
| Build Date | August 13, 2026 |
Verizon's August 2026 update information also lists R915USQS2DZG3 for the Galaxy Watch5 44mm, with an August 2026 security update.
The Galaxy Watch5 SM-R915U has received firmware updates across multiple Wear OS generations.
| Firmware Version | Android / Wear OS | Security Patch |
|---|---|---|
| R915USQS2DZG3 | Android 16 / One UI Watch 8 | August 2026 |
| R915USQS2DZE1 | Android 16 / One UI Watch 8 | May 2026 |
| R915USQU2DZB6 | Android 16 / One UI Watch 8 | February 2026 |
| R915USQU1DYL6 | Android 16 / One UI Watch 8 | January 2026 |
| R915USQU1CYI1 | Android 14 / One UI Watch 6 | August 2025 |
| R915USQS1CYE1 | Android 14 / One UI Watch 6 | May 2025 |
| R915USQU1CYCD | Android 14 / One UI Watch 6 | March 2025 |
| R915USQU1CXK2 | Android 14 / One UI Watch 6 | October 2024 |
| R915USQU1BXB7 | Android 13 / One UI Watch 5 | March 2024 |
| R915USQU1BWL1 | Android 13 / One UI Watch 5 | December 2023 |
| R915USQU1BWH3 | Android 13 / One UI Watch 5 | July 2023 |
| R915USQU1AWDA | Android 11 / One UI Watch 4.5 | April 2023 |
| R915USQU1AWB2 | Android 11 / One UI Watch 4.5 | January 2023 |
| R915USQU1AWA3 | Android 11 / One UI Watch 4.5 | January 2023 |
| R915USQU1AVK6 | Android 11 / One UI Watch 4.5 | November 2022 |
| R915USQS1AVI2 | Android 11 / One UI Watch 4.5 | October 2022 |
| R915USQU1AVH6 | Android 11 / One UI Watch 4.5 | July 2022 |
| R915USQU1AVH2 | Android 11 / One UI Watch 4.5 | July 2022 |
| R915USQU1AVG6 | Android 11 / One UI Watch 4.5 | July 2022 |
These firmware releases are listed for the SM-R915U under the XAA U.S. CSC.
The latest SM-R915U firmware generation uses Android Wear 6.0, corresponding to Android 16, together with One UI Watch 8. The latest firmware carries the August 5, 2026 security patch.
The August 2026 update is primarily focused on security improvements. Verizon's update information also describes the August release as providing the latest Android security patches.
The SM-R915U firmware is primarily listed under the XAA — United States CSC.
Carrier-related Galaxy Watch5 firmware may also use different software configurations depending on the network and region.
Always check your watch's exact model and software configuration before selecting firmware.
This page is specifically for:
Samsung Galaxy Watch5 44mm LTE/4G — SM-R915U
Do not confuse SM-R915U with other Galaxy Watch5 models:
SM-R910 — Galaxy Watch5 40mm Bluetooth
SM-R905 — Galaxy Watch5 40mm LTE
SM-R915 — Galaxy Watch5 44mm LTE variants
SM-R920 — Galaxy Watch5 Pro 45mm Bluetooth
SM-R925 — Galaxy Watch5 Pro 45mm LTE
Always verify the complete model number before downloading firmware.
Before downloading, check your smartwatch and confirm that the model number is SM-R915U.
Firmware packages can differ depending on the model, CSC, carrier and region. Using firmware intended for a different model or incompatible configuration may cause software problems.
The firmware download provided on this page is hosted on Google Drive.
Important: The Google Drive file supplied for this article should be checked after downloading to confirm its exact firmware filename and version before use.
SM-R915U is the model number of the Samsung Galaxy Watch5 44mm LTE/4G smartwatch. Firmware databases identify it as the Galaxy Watch5 44mm LTE/4G model.
Yes. The SM-R915U is the 44mm LTE/4G Galaxy Watch5.
The latest firmware generation for the SM-R915U is based on Android Wear 6.0 / Android 16 with One UI Watch 8.
The latest listed firmware is R915USQS2DZG3, with the August 5, 2026 security patch.
Firmware listings identify XAA — United States as the main CSC for the SM-R915U.
You can download the firmware provided on this page using the Google Drive download link above.
If you are searching for Samsung SM-R915U firmware, SM-R915U firmware download, Galaxy Watch5 44mm LTE firmware, or SM-R915U stock firmware, you can use the Google Drive download link provided above.
Device: Samsung Galaxy Watch5 44mm
Model: SM-R915U
Connectivity: LTE / 4G
Market: United States
Latest Firmware: R915USQS2DZG3
Android: Android 16
One UI Watch: One UI Watch 8
Security Patch: August 5, 2026
CSC: XAA
Download: Google Drive









