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Samsung Galaxy S21 5G (SM-G991B) Android 15 Firmware (G991BXXSJHZA6) – Serbia | SamFrew

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Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXSJHZA6

TOPAndroid 15Released 1/21/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSJHZA6
CSC: G991BOXMJHZA6
Country: Serbia
Changelist: 30959686
Upload date: 2/3/2026
Package size: 8.4 GB (9064371824 bytes)
File name: TOP-G991BXXSJHZA6-20260203151141.zip

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Package size8.4 GB

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TOP CSC Breakdown

Network ID

NW02073

Network Name

A1 SRB

Network Country

Serbia

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 800 / LTE 1800