Firmware Direct Download Pricing News App

© 2015, 2026 Samfrew.com

Disclaimer: Flashing Samsung firmware is a risky process that can potentially brick your device. By flashing firmware, you are modifying the software on your device, and if anything goes wrong, your device may become unusable.

[email protected] Privacy Policy Terms of Service

Samsung Galaxy S21 5G (SM-G991U) Android 12 Firmware (G991USQS4BUKK) – USA | SamFrew

Home / Firmware / SM-G991U / CHA

Galaxy S21 5G

SM-G991U Firmware

PDAG991USQS4BUKK

CHAAndroid 12Released 12/21/2021

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991USQS4BUKK
CSC: G991UOYN4BUKK
Country: USA
Changelist: 22916894
Upload date: 1/3/2022
Package size: 6.6 GB (7043985456 bytes)
File name: CHA-G991USQS4BUKK-20211231141935.zip

Download

Choose your download path

Fast download uses your premium allowance. Standard download works without premium bandwidth.

Package size6.6 GB

Checking accessLoading...

CHA CSC Breakdown

Network ID

NW01605

Network Name

Verizon Wireless

Network Country

United States of America

Network Bands

LTE 700

Network ID

NW01606

Network Name

CHA TEST

Network Country

Network Bands

any

Network ID

NW01845

Network Name

Verizon Wireless

Network Country

United States of America

Network Bands

LTE 700