Galaxy S21 5G
Release G991USQSIHYL1
USA · DSHAndroid 15Built 12/5/2025Release information
The software versions and region covered by this firmware update.
G991USQSIHYL1G991UOYNIHYL1G991USQSIHYL1 USADownload files
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Open fileUSA · 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