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Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXU3AUG4

ECTAndroid 11Released 7/6/2021

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXU3AUG4
CSC: G991BOXM3AUG4
Country: Nigeria
Changelist: 22118362
Upload date: 7/15/2021
Package size: 7.0 GB (7504313488 bytes)
File name: ECT-G991BXXU3AUG4-20210715112201.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

NW01569

Network Name

Zain Nigeria

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