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Galaxy S21 5G
G991BXXS9FXBDFirmware details
Key identifiers and package metadata for this release.
G991BXXS9FXBDG991BOXM9FXBDRomaniaCSC code
CNX1 carrier in 1 country
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.
22601NWIDNW01507