Samsung Galaxy Watch4 SM-R875N Firmware Download – Stock ROM

Samsung Galaxy Watch4 LTE (44mm) SM-R875N Firmware Download

Download the official stock firmware for the Samsung Galaxy Watch4 LTE (44mm) SM-R875N. This firmware is intended for the SM-R875N model and can be used to restore the original software on a compatible Galaxy Watch4 device.

The SM-R875N is the LTE version of the Samsung Galaxy Watch4 44mm. Samsung firmware databases identify this model with multiple South Korean CSC variants, including KOO, KTC, KTO, LUC, LUO, SKC and SKO.

Samsung SM-R875N Firmware Information

Download Samsung Galaxy Watch4 SM-R875N Firmware

You can download the firmware file for the Samsung Galaxy Watch4 LTE SM-R875N using the Google Drive link below.

Firmware Download

Download Samsung SM-R875N Firmware – Google Drive

Before downloading, make sure that your device model is SM-R875N. Do not use firmware intended for a different Galaxy Watch model.

Samsung Galaxy Watch4 SM-R875N Firmware Versions

The SM-R875N has received firmware updates across several Wear OS and One UI Watch generations. Firmware listings show versions based on Android 11, Android 13, Android 14 and newer Android 16 releases.

Recent firmware examples include:

• R875NKOS2EZG3 — Android 16 / One UI 8

• R875NKOS2EZE1 — Android 16 / One UI 8

• R875NKOU2EZB6 — Android 16 / One UI 8

• R875NKOU1EYL6 — Android 16 / One UI 8

• R875NKOU1DYI1 — Android 14 / One UI 6

• R875NKOU1DXL1 — Android 14 / One UI 6

• R875NKOU1CXB7 — Android 13 / One UI 5

• R875NKOU1BWDA — Android 11 / One UI 4.5

The latest firmware listed for the SM-R875N is R875NKOS2EZG3, with a security patch level of August 5, 2026, and a build date of August 20, 2026.

SM-R875N Firmware CSC Regions

Samsung has released the SM-R875N firmware for several Korean CSC variants, including:

• KOO

• KTC

• KTO

• LUC

• LUO

• SKC

• SKO

The available CSC depends on the firmware release and device configuration.

Firmware File Information

Samsung firmware packages for the SM-R875N can contain several firmware components. For example, the R875NKOS2EZG3 package contains AP, BL, CP and CSC firmware files. The AP package alone is over 3 GB for that release.

Firmware files may use formats such as:

• .zip

• .tar.md5

The exact files and size depend on the firmware version.

Important Information Before Downloading

Make sure your smartwatch model is Samsung Galaxy Watch4 LTE 44mm SM-R875N before using this firmware.

Firmware for other models such as SM-R870, SM-R875U, SM-R875F or SM-R865 should not automatically be considered compatible with SM-R875N.

Always check the model number displayed on your device before using a firmware package.

Samsung Galaxy Watch4 SM-R875N Firmware Download

If you are looking for Samsung Galaxy Watch4 SM-R875N firmware, you can use the Google Drive download provided above.

Device: Samsung Galaxy Watch4 LTE 44mm
Model: SM-R875N
Firmware: Stock Firmware
Download: Google Drive

Frequently Asked Questions

What is the Samsung SM-R875N?

The SM-R875N is the model number for the Samsung Galaxy Watch4 LTE (44mm).

What type of device is SM-R875N?

The SM-R875N is a Samsung Galaxy Watch4 LTE smartwatch, not a Samsung Galaxy smartphone.

Where can I download SM-R875N firmware?

The firmware provided in this article is available through the Google Drive download link above.

Which firmware versions are available for SM-R875N?

The model has received multiple firmware releases, including Android 11, Android 13, Android 14 and Android 16-based releases.

Is SM-R875N firmware compatible with every Galaxy Watch4?

No. Firmware compatibility depends on the exact model and regional configuration. Always verify that your device is SM-R875N before using a firmware file.