Home / Firmware / SM-G998B / XEC
Galaxy S21 Ultra 5G
G998BXXSJHZA6
XECAndroid 15Released 1/21/2026Firmware details
Key identifiers and package metadata for this release.
G998BXXSJHZA6G998BOXMJHZA6 SpainSpainCSC code XEC4 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.
Movistar21407NWIDNW00766MovistarMVNO21405NWIDNW00766MovistarMVNO21405NWIDNW01347MovistarMVNO21405NWIDNW01036Telefónica Móviles España, S.A.U.21438NWIDNW00766TuentiMVNO21432NWIDNW01347