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Samsung Galaxy S21 5G (SM-G991U) Android 15 Firmware (G991USQSHHYI1) – USA | SamFrew

Home / Firmware / SM-G991U / VZW

Firmware G991USQSHHYI1

Device Galaxy S21 5G

Model SM-G991U

Region VZW

Country USA

OS Android 15

Release Date 9/3/2025

Upload Date 9/30/2025

PDA G991USQSHHYI1

CSC G991UOYNHHYI1

Changelist 30959686

Size 8473471088 bytes (approx. 7.9 GB)

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