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Samsung Galaxy S21 5G (SM-G991B) Android 15 Firmware (G991BXXSJHZC2) – Ireland | SamFrew

Home / Firmware / SM-G991B / TSI

Galaxy S21 5G

SM-G991B Firmware

Latest firmware

PDAG991BXXSJHZC2

TSIAndroid 15Released 3/9/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSJHZC2
CSC: G991BOXMJHZC2
Country: Ireland
Changelist: 30959686
Upload date: 3/24/2026
Package size: 8.4 GB (9064413840 bytes)
File name: TSI-G991BXXSJHZC2-20260324133600.zip

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Package size8.4 GB

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TSI CSC Breakdown

Network ID

NW01287

Network Name

Tesco Mobile Ireland

Network Country

Ireland

Network Bands

MVNO