Galaxy S21 5G
Release G991U1UESJHZB1
USA · CCTAndroid 15Built 2/24/2026Release information
The software versions and region covered by this firmware update.
G991U1UESJHZB1G991U1OYMJHZB1G991U1UESJHZB1 USADownload files
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Open fileUSA · CSC CCT · 3 carriers in 2 countries
CSC is Samsung's region and carrier customization. The networks below are included in this release.
Verizon311480NWIDNW00282Verizon311480NWIDNW0184300101NWIDNW0026500101NWIDNW01843
Vodafone20404NWIDNW00283Vodafone20404NWIDNW01843