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Samsung Galaxy Watch4 (SM-R860) Android 16 firmware update R860TBU1JYL6 – USA | SamFrew

Home / Devices / Galaxy Watch4 / SM-R860 / XAA

Galaxy Watch4

SM-R860

Release R860TBU1JYL6

USA · XAAAndroid 16Built 1/6/2026

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XAA-R860TBU1JYL6-20260121173441.zip

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File size3.2 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: R860TBU1JYL6
CSC: R860OXT1JYL6
Country: USA
Changelist: 32155332
Build date: 1/6/2026
Added to Samfrew: 12/15/2025