Galaxy S21 Ultra 5G
Release G998BXXS5DWA4
UNITED KINGDOM · O2UAndroid 13Built 1/6/2023Release information
The software versions and region covered by this firmware update.
G998BXXS5DWA4G998BOXM5DVKFG998BXXU5DVL2 UNITED KINGDOMDownload files
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Open fileUNITED KINGDOM · CSC O2U · 2 carriers in 1 country
CSC is Samsung's region and carrier customization. The networks below are included in this release.
O2 (UK)23402NWIDNW00928O2 (UK)23410NWIDNW00928O2 (UK)23410NWIDNW00886O2 (UK)23410NWIDNW02107