SM-S731B Firmware

PDAS731BXXS4AZA2

XNZAndroid 16Released 1/6/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: S731BXXS4AZA2
CSC: S731BOXM4AZA2
Country: New Zealand
Changelist: 31879146
Upload date: 1/20/2026
Package size: 18.5 GB (19840621040 bytes)
File name: XNZ-S731BXXS4AZA2-20260120164721.zip

Networks supported by this firmware

New ZealandCSC code XNZ26 carriers in 15 countries

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.

2degrees

MCCMNC53024NWIDNW00013

5G 3500LTE 700LTE 900LTE 1800LTE 2100

2degrees

MCCMNC53024NWIDNW01912

5G 3500LTE 700LTE 900LTE 1800LTE 2100

One NZ

MCCMNC53001NWIDNW01503

5G 3500LTE 700LTE 900LTE 1800LTE 2100LTE 2600

Spark

MCCMNC53005NWIDNW01158

Spark New Zealand

5G 8505G 23005G 3500LTE 700LTE 1800LTE 2100TD-LTELTE 2600

Spark

MCCMNC53005NWIDNW01139

Spark New Zealand

5G 8505G 23005G 3500LTE 700LTE 1800LTE 2100TD-LTELTE 2600

Spark NZ

MCCMNC53099NWIDNW01158

Roaming partners (23)

Bluesky Am Samoa

MCCMNC544110NWIDNW02321

Vodafone

MCCMNC54801NWIDNW02000

Telecom Cook Islands

LTE 700LTE 1800UMTS 900GSM 900

Telemor

MCCMNC51403NWIDNW01599

Viettel Timor-Leste

LTE 1800UMTSGSM 900GSM 1800

Telkomcel