Galaxy Watch FE
Release R866USQU1BYK6
USA · XAAAndroid 16Built 11/19/2025Release information
The software versions and region covered by this firmware update.
R866USQU1BYK6R866UOYM1BYK6 USAUSA · 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