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Samsung Galaxy Watch4 (SM-R860) Android 16 firmware update R860TBU2JZC2 – USA | SamFrew

Home / Firmware / SM-R860 / XAA

Galaxy Watch4

SM-R860

Release R860TBU2JZC2

USA · XAAAndroid 16Built 3/9/2026

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: R860TBU2JZC2
CSC: R860OXT2JZC2
Modem / CP: R860TBU2JZC2
Country: USA
Changelist: 33003255
Build date: 3/9/2026
Added to Samfrew: 3/15/2026

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