Home / Firmware / SM-G991B / ECT

Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXSEGYA2

ECTAndroid 14Released 1/22/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSEGYA2
CSC: G991BOXMEGXL2
Country: Nigeria
Changelist: 28579955
Upload date: 2/25/2025
Package size: 8.1 GB (8748913424 bytes)
File name: ECT-G991BXXSEGYA2-20250225164721.zip

ECT CSC Breakdown

Network ID

NW00818

Network Name

MTN Nigeria

Network Country

Nigeria

Network Bands

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

Network ID

NW01152

Network Name

Smile NG

Network Country

Nigeria

Network Bands

LTE 800

Network ID

NW00536

Network Name

Glo Mobile

Network Country

Nigeria

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 700

Network ID

NW00065

Network Name

Airtel

Network Country

Nigeria

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 1800

Network ID

NW00108

Network Name

9mobile

Network Country

Nigeria

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 1800

Network ID

NW00825

Network Name

MtnLonestarcell

Network Country

Liberia

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE

Network ID

NW00874

Network Name

ntel Nigeria

Network Country

Nigeria

Network Bands

LTE 900 / LTE 1800

Network ID

NW02316

Network Name

MTN Benin

Network Country

Benin

Network Bands

GSM 900 / GSM 1800 / UMTS 900 / UMTS 2100 / LTE 1800