Home / Firmware / SM-A556E / IUS
Galaxy A55 5G
A556EXXSIDZI3
IUSAndroid 16Released 9/7/2026Firmware details
Key identifiers and package metadata for this release.
A556EXXSIDZI3A556EOWOIDZI3 MexicoMexicoCSC code IUS4 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.
AT&T334090NWIDNW00855AT&T / Unefon334050NWIDNW00614AT&T / Unefon334050NWIDNW01140AT&T / Unefon334050NWIDNW02313AT&T / Unefon334050NWIDNW02241AT&T / Unefon334050NWIDNW02303AT&T / Unefon334050NWIDNW02314AT&T / Unefon334050NWIDNW02365AT&T / Unefon334050NWIDNW02448Televisión Internacional, S.A. de C.V.334160NWIDNW02219Unefon334070NWIDNW02246