SM-A556E Firmware

PDAA556EXXSDCZC4

ECTAndroid 16Released 3/6/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: A556EXXSDCZC4
CSC: A556EOJMDCZC4
Country: Nigeria
Changelist: 31998945
Upload date: 3/30/2026
Package size: 9.3 GB (9996790672 bytes)
File name: ECT-A556EXXSDCZC4-20260330162741.zip

Networks supported by this firmware

NigeriaCSC code ECT9 carriers in 3 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.

9mobile

MCCMNC62160NWIDNW00108

Emerging Markets Telecommunication Services Ltd.

LTE 1800UMTS 2100GSM 900GSM 1800

Airtel

MCCMNC62120NWIDNW00065

Bharti Airtel Limited

5G 3500LTE 1800UMTS 2100GSM 900GSM 1800

Glo

MCCMNC62150NWIDNW00536

Globacom Ltd

LTE 700LTE 2600UMTS 2100GSM 900GSM 1800

MTN

MCCMNC62130NWIDNW00818

MTN Nigeria Communications Limited

5G 3500LTE 800LTE 2600TD-LTE 3500UMTS 2100GSM 900GSM 1800

Ntel

MCCMNC62140NWIDNW00874

Nigerian Mobile Telecommunications Limited

LTE 900LTE 1800

Smile

MCCMNC62127NWIDNW01152

Smile Communications Nigeria

LTE 800

Spectranet

MCCMNC62124NWIDNW02439

TD-LTE 2300

Roaming partners (2)

MTN

MCCMNC61603NWIDNW02316

Spacetel Benin

5G 3500LTE 1800UMTS 900UMTS 2100GSM 900GSM 1800

Lonestar Cell MTN

MCCMNC61801NWIDNW00825

Lonestar Communications Corporation

LTEUMTS 2100GSM 900GSM 1800