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Samsung Galaxy S21 5G (SM-G991U) Android 15 Firmware (G991USQSJHZB1) – USA | SamFrew

Home / Firmware / SM-G991U / VZW

Galaxy S21 5G

SM-G991U Firmware

Latest firmware

PDAG991USQSJHZB1

VZWAndroid 15Released 2/24/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991USQSJHZB1
CSC: G991UOYNJHZB1
Country: USA
Changelist: 30959686
Upload date: 3/23/2026
Package size: 7.9 GB (8476675648 bytes)
File name: VZW-G991USQSJHZB1-20260323134605.zip

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Package size7.9 GB

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VZW CSC Breakdown

Network ID

NW01524

Network Name

Verizon Wireless

Network Country

United States of America

Network Bands

LTE 700

Network ID

NW01529

Network Name

VZW TEST

Network Country

Network Bands

any

Network ID

NW01842

Network Name

Verizon Wireless

Network Country

United States of America

Network Bands

LTE 700

Network ID

NW02114

Network Name

VZW Private