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

Home / Firmware / SM-G991B / HTS

Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXSIHYK1

HTSAndroid 15Released 11/5/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSIHYK1
CSC: G991BOXMIHYK1
Country: Sweden
Changelist: 30959686
Upload date: 12/1/2025
Package size: 8.4 GB (9061365856 bytes)
File name: HTS-G991BXXSIHYK1-20251201200650.zip

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Package size8.4 GB

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HTS CSC Breakdown

Network ID

NW00018

Network Name

3 SE

Network Country

Sweden

Network Bands

UMTS 900 / UMTS 2100 / LTE 800 / LTE 2600 / TD-LTE 2600 / TD-5G 2600