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Samsung Galaxy S21 5G (SM-G991B) Android 15 Firmware (G991BXXSIHYK1) – Croatia | SamFrew

Home / Firmware / SM-G991B / CRO

Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXSIHYK1

CROAndroid 15Released 11/5/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSIHYK1
CSC: G991BOXMIHYK1
Country: Croatia
Changelist: 30959686
Upload date: 12/1/2025
Package size: 8.4 GB (9061365856 bytes)
File name: CRO-G991BXXSIHYK1-20251201200510.zip

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Package size8.4 GB

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CRO CSC Breakdown

Network ID

NW00593

Network Name

HT HR

Network Country

Croatia

Network Bands

GSM 900 / GSM 1800 / UMTS 900 / UMTS 2100 / LTE 800 / LTE 1800 / 5G 2100 / 5G 3500 / 5G 26000