Samsung Galaxy Watch

Firmware is specific to the model code. Find yours on the box or in Settings › About phone, then pick it below.

ModelSold inFirmwareLatest build

SM-R815F · Galaxy Watch 4G (42mm)Sold in2 countriesFirmware2 CSCs · 2 buildsLatest buildR815FXXU1FSL3 · Dec 6, 2019→

SM-R805F · Galaxy Watch 4G (46mm)Sold in

One UI and Android versions of the Galaxy Watch, with the first release of each.

1. Mar 2019

   Android 4

   First firmware build: R815FXXU1DSC4 (SM-R815F)

As published by Samsung for the SM-R815F; other model codes can differ (chipset, network bands).

Sold in 39 countries.