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Samsung Galaxy S21 5G (SM-G991B) Android 15 Firmware (G991BXXSHHYJ1) – Croatia | SamFrew

Home / Firmware / SM-G991B / CRO

Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXSHHYJ1

CROAndroid 15Released 10/2/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSHHYJ1
CSC: G991BOXMHHYJ1
Country: Croatia
Changelist: 30959686
Upload date: 10/27/2025
Package size: 8.4 GB (9061076080 bytes)
File name: CRO-G991BXXSHHYJ1-20251027174600.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