SM-S731B Firmware

PDAS731BXXS3AYK1

UPOAndroid 16Released 11/27/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: S731BXXS3AYK1
CSC: S731BOWO3AYJ9
Country: Paraguay
Changelist: 31879146
Upload date: 12/18/2025
Package size: 18.3 GB (19670249200 bytes)
File name: UPO-S731BXXS3AYK1-20251218022811.zip

Networks supported by this firmware

ParaguayCSC code UPO4 carriers 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.

Claro

MCCMNC74402NWIDNW00248

AMX Paraguay S.A.

LTE 1700UMTS 1900GSM 1900

Personal

MCCMNC74405NWIDNW01038

Núcleo S.A. (TIM)

LTE 1900UMTS 850UMTS 1900GSM 850GSM 1900

Tigo

MCCMNC74404NWIDNW01296

Telefónica Celular Del Paraguay S.A. (Telecel)

LTE 1700UMTS 850GSM 850

VOX

MCCMNC74401NWIDNW01520

Hola Paraguay S.A.

LTE 1700UMTS 900UMTS 1900GSM 1900