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

Home / Firmware / SM-G991B / TPL

Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXSIHYK1

TPLAndroid 15Released 11/5/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSIHYK1
CSC: G991BOXMIHYK1
Country: Poland
Changelist: 30959686
Upload date: 12/1/2025
Package size: 8.4 GB (9061365856 bytes)
File name: TPL-G991BXXSIHYK1-20251201200800.zip

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Package size8.4 GB

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TPL CSC Breakdown

Network ID

NW01321

Network Name

T-Mobile.pl

Network Country

Poland

Network Bands

GSM 900 / GSM 1800 / UMTS 900 / LTE 1800 / LTE 2100 / 5G 2100