Firmware Devices Direct Download Pricing News App

© 2015, 2026 Samfrew.com

Disclaimer: Flashing Samsung firmware is a risky process that can potentially brick your device. By flashing firmware, you are modifying the software on your device, and if anything goes wrong, your device may become unusable.

[email protected] Privacy Policy Terms of Service

Samsung Galaxy Watch4 (SM-R870) Android 16 firmware update R870ZCU1JYL6 – China | SamFrew

Home / Devices / Galaxy Watch4 / SM-R870 / CHC

Galaxy Watch4

SM-R870

Firmware R870ZCU1JYL6

China · CHCAndroid 16Built Jan 6, 2026

Download

Choose your download path

Fast download uses your premium allowance. Standard download works without premium bandwidth.

File size3.4 GB

Checking accessLoading...

More options

Browse files insideSee the TAR files, checksums, and download single TARs (Premium) · Samfrew Files→

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: R870ZCU1JYL6
CSC: R870CHC1JYL6
Country: China
Changelist: 32155332
Build date: Jan 6, 2026
Upload date: Dec 15, 2025
File name: SM-R870_3_20260127163211_yx6tcv0kiv_fac.zip

Inside the firmware

Software details

Read from the build properties and kernel of this firmware.

One UI Watch: 8.0
Android: 16 (API 36)
Security patch: Jan 1, 2026
Bootloader: 1
Chipset: Exynos W920
Codename: freshbl
Launched with: Android 11
Apps: 32-bit only
Build number: BP2A.250325.020.R870ZCU1JYL6
Kernel: 5.15.180-32155332-abR870ZCU1JYL6