Galaxy S21 Ultra 5G
Release G998USQU3AUDB
USA · ATTAndroid 11Built 4/27/2021Release information
The software versions and region covered by this firmware update.
G998USQU3AUDBG998UOYN3AUDBG998USQU3AUDB USADownload files
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Open fileUSA · CSC ATT · 15 carriers in 2 countries
CSC is Samsung's region and carrier customization. The networks below are included in this release.
AT&T310150NWIDNW00057AT&T310150NWIDNW02037AT&T310170NWIDNW00167AT&T310380NWIDNW00167AT&T310410NWIDNW00167AT&T310560NWIDNW00167AT&T311180NWIDNW00167AT&T310950NWIDNW00167AT&T310410NWIDNW02038AT&T311180NWIDNW02038AT&T310950NWIDNW02038FirstNet313100NWIDNW00168FirstNet312670NWIDNW00168FirstNet313130NWIDNW00168FirstNet313140NWIDNW00168mobi310030NWIDNW0016799999NWIDNW0016700101NWIDNW00156
AT&T310280NWIDNW00167AT&T310280NWIDNW02038