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Samsung Galaxy Z Flip4 (SM-F721B) Android 16 Firmware (F721BXXSAIYL1) – Czech Republic | SamFrew

Home / Firmware / SM-F721B / O2C

Galaxy Z Flip4

SM-F721B Firmware

PDAF721BXXSAIYL1

O2CAndroid 16Released 12/8/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: F721BXXSAIYL1
CSC: F721BOXMAIYIF
Country: Czech Republic
Changelist: 31998945
Upload date: 12/23/2025
Package size: 10.1 GB (10873221472 bytes)
File name: O2C-F721BXXSAIYL1-20251223175111.zip

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Package size10.1 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