Home / Firmware / SM-G991B / PRT
Galaxy S21 5G
G991BXXS3BULCFirmware details
Key identifiers and package metadata for this release.
G991BXXS3BULCG991BOXM3BUKGPolandCSC code
PRT2 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.
26006NWIDNW0100626098NWIDNW01006