Galaxy Watch FE
Firmware R866USQU2BZB6
United States · XAAAndroid 16Built Feb 11, 2026Release information
The software versions and region covered by this firmware update.
R866USQU2BZB6R866UOYM2BZB6 United StatesInside the firmware
Read from the build properties and kernel of this firmware.
lucky7usBP2A.250325.020.R866USQU2BZB65.15.180-33003255-abR866USQU2BZB6United States · CSC XAA · 5 carriers in 2 countries
CSC is Samsung's region and carrier customization. The networks below are included in this release.
AT&T310410NWIDNW02171AT&T311180NWIDNW02171AT&T310950NWIDNW02171AT&T310410NWIDNW02172AT&T311180NWIDNW02172AT&T310950NWIDNW02172AT&T310410NWIDNW02088AT&T311180NWIDNW02088AT&T310150NWIDNW00057
AT&T310280NWIDNW02171AT&T310280NWIDNW02172