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Galaxy S25
S931U1UES8BYLX
ATCAndroid 16Released 2/13/2026Firmware details
Key identifiers and package metadata for this release.
S931U1UES8BYLXS931U1OYM8BYLX USAUSACSC code ATC3 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.
Altice USA Wireless, Inc.MVNO313390NWIDNW0187900101NWIDNW01961
ATC208090NWIDNW01879