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Galaxy S21 5G
G991U1UES4BUKK
XAGAndroid 12Released 12/21/2021Firmware details
Key identifiers and package metadata for this release.
G991U1UES4BUKKG991U1OYM4BUKK USAUSACSC code XAG3 carriers in 2 countries
CSC stands for Consumer Software Customization (sometimes "Country Sales Code"). Samsung firmware ships with carrier- and region-specific configs; the networks listed below are what this CSC was built to support out of the box.
T-Mobile310240NWIDNW0135800101NWIDNW00156
T-Mobile310260NWIDNW01358T-Mobile310260NWIDNW01101T-Mobile310260NWIDNW01531T-Mobile310260NWIDNW01156T-Mobile310260NWIDNW00829T-Mobile310260NWIDNW00287T-Mobile310260NWIDNW00694T-Mobile310260NWIDNW01058T-Mobile310260NWIDNW01062T-Mobile310260NWIDNW01392T-Mobile310260NWIDNW01310T-Mobile310260NWIDNW01513T-Mobile310260NWIDNW02068