Galaxy S21 5G
Release G991USQS4AUIR
USA · DSHAndroid 11Built 10/1/2021Release information
The software versions and region covered by this firmware update.
G991USQS4AUIRG991UOYN4AUIR USAUSA · CSC DSH · 3 carriers in 1 country
CSC is Samsung's region and carrier customization. The networks below are included in this release.
T-Mobile310240NWIDNW02086T-Mobile310240NWIDNW0208599999NWIDNW0208600101NWIDNW00156