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

Home / Firmware / SM-G991B / UFN

Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXSHHYJ1

UFNAndroid 15Released 10/2/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSHHYJ1
CSC: G991BOWOHHYJ3
Country: Argentina
Changelist: 30959686
Upload date: 11/17/2025
Package size: 8.5 GB (9080404960 bytes)
File name: UFN-G991BXXSHHYJ1-20251114071130.zip

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Package size8.5 GB

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UFN CSC Breakdown

Network ID

NW00791

Network Name

movistar AR

Network ID

NW01967

Network Name

tuenti AR

Network Country

Argentina

Network Bands

GSM 850 / GSM 1900 / UMTS 850 / UMTS 1900 / LTE 700 / LTE 1700 / LTE 2600