SM-S921U1 Firmware

PDAS921U1UES4CYJ1

LLAAndroid 16Released 10/22/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: S921U1UES4CYJ1
CSC: S921U1OWA4CYJ1
Country: PUERTO RICO
Changelist: 31998945
Upload date: 11/11/2025
Package size: 12.4 GB (13284938368 bytes)
File name: LLA-S921U1UES4CYJ1-20251111082913.zip

Networks supported by this firmware

PUERTO RICOCSC code LLA1 carrier in 1 country

What is CSC?

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.

Liberty

MCCMNC313790NWIDNW02204

Liberty Cablevision of Puerto Rico LLC

5G 6005G 8505G 39000LTE 700LTE 850LTE 1700LTE 1900LTE 2300