Firmware Direct Download Pricing News App

© 2015, 2026 Samfrew.com

Disclaimer: Flashing Samsung firmware is a risky process that can potentially brick your device. By flashing firmware, you are modifying the software on your device, and if anything goes wrong, your device may become unusable.

[email protected] Privacy Policy Terms of Service

Samsung Galaxy S21 5G (SM-G991B) Android 15 Firmware (G991BXXSFHYE1) – Czech Republic | SamFrew

Home / Firmware / SM-G991B / O2C

Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXSFHYE1

O2CAndroid 15Released 5/21/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSFHYE1
CSC: G991BOXMFHYE1
Country: Czech Republic
Changelist: 30959686
Upload date: 6/5/2025
Package size: 8.4 GB (9061564048 bytes)
File name: O2C-G991BXXSFHYE1-20250605151901.zip

Download

Choose your download path

Fast download uses your premium allowance. Standard download works without premium bandwidth.

Package size8.4 GB

Checking accessLoading...

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