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Samsung Galaxy Z Flip4 (SM-F721B) Android 15 Firmware (F721BXXSAHYI1) – Czech Republic | SamFrew

Home / Firmware / SM-F721B / O2C

Galaxy Z Flip4

SM-F721B Firmware

PDAF721BXXSAHYI1

O2CAndroid 15Released 9/3/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: F721BXXSAHYI1
CSC: F721BOXMAHYD9
Country: Czech Republic
Changelist: 30959686
Upload date: 9/24/2025
Package size: 9.6 GB (10298607296 bytes)
File name: O2C-F721BXXSAHYI1-20250923193240.zip

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Package size9.6 GB

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O2C CSC Breakdown

Network ID

NW02029

Network Name

O2.CZ

Network Country

Czech Republic

Network Bands

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