SM-X356N Firmware

PDAX356NKOS2AYG1

KOOAndroid 15Released 7/14/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: X356NKOS2AYG1
CSC: X356NKOO2AYG1
Country: KOREA
Changelist: 31267142
Upload date: 7/23/2025
Package size: 6.8 GB (7292151728 bytes)
File name: KOO-X356NKOS2AYG1-20250714195714.zip

Networks supported by this firmware

KOREACSC code KOO3 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.

LG U+

MCCMNC45006NWIDNW00680

LG Uplus

5G 3500LTE 850LTE 2100LTE 2600

LG U+

MCCMNC45006NWIDNW00681

LG Uplus

5G 3500LTE 850LTE 2100LTE 2600

olleh

MCCMNC45008NWIDNW00649

LTE 900LTE 1800LTE 2100UMTS 2100

olleh

MCCMNC45008NWIDNW00650

LTE 900LTE 1800LTE 2100UMTS 2100

SKTelecom

MCCMNC45005NWIDNW01125

SK Telecom

5G 3500LTE 850LTE 1800LTE 2100LTE 2600UMTS 2100

SKTelecom

MCCMNC45005NWIDNW01126

SK Telecom

5G 3500LTE 850LTE 1800LTE 2100LTE 2600UMTS 2100