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Samsung Galaxy Watch FE (SM-R861) Android 16 firmware update R861XXS1CZA1 – JP | SamFrew

Home / Devices / Galaxy Watch FE / SM-R861 / XJP

Galaxy Watch FE

SM-R861

Release R861XXS1CZA1

JP · XJPAndroid 16Built 1/5/2026

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XJP-R861XXS1CZA1-20260202190541.zip

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File size3.3 GB

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This file is also the factory firmware for this release.

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: R861XXS1CZA1
CSC: R861OXM1CZA1
Country: JP
Changelist: 32155332
Build date: 1/5/2026
Added to Samfrew: 2/2/2026