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Galaxy Z Flip4

SM-F721B Firmware

PDAF721BXXSBIZB6

ECTAndroid 16Released 2/13/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: F721BXXSBIZB6
CSC: F721BOXMBIZB6
Country: Nigeria
Changelist: 31998945
Upload date: 3/3/2026
Package size: 10.1 GB (10875691632 bytes)
File name: ECT-F721BXXSBIZB6-20260303175551.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

Network ID

NW02439

Network Name

Spectranet Nigeria

Network Country

Nigeria

Network Bands

TD-LTE 2300