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Galaxy S21 5G
G991NKSS8GYA1Firmware details
Key identifiers and package metadata for this release.
G991NKSS8GYA1G991NOKR8GYA1KOREACSC code
LUC3 carriers 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.
45006NWIDNW0068045006NWIDNW0068145008NWIDNW0064945008NWIDNW0065045005NWIDNW0112545005NWIDNW01126