✅ Verified Official ROM
🔒 Scanned for Malware
📥 Direct Download
🆓 100% Free
Download the official Samsung Galaxy S21 Ultra 5G SM-G998U firmware (Stock ROM) to fix software issues and unbrick your device. This file contains the Flashing Utility, USB Driver, and visual instructions. File Size: 7 GB.
Get Samsung Galaxy S21 Ultra 5G SM-G998U Stock Firmware
| 📄 Package Name | SM-G998U_G998USQU5CVH8_G998UOYN5CVH8_VZW_5file(Flash-Files.Net).zip |
| 📱 Model Number | Samsung Galaxy S21 Ultra 5G SM-G998U |
| ⚙️ OS | 12 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQS5CVHB_G998UOYN5CVHB_VZW_5file(Flash-Files.Net).zip |
| ⚙️ OS | 12 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQU5CVH8_G998UOYN5CVH8_USC_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 12 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U_G998USQS5CVHB_G998UOYN5CVHB_USC_5file(Flash-Files.Net).zip |
| ⚙️ OS | 12 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 6.93 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQU9EWI3_G998UOYN9EWI3_LLA_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 13 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 7.29 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQS5DVK7_G998UOYN5DVK7_CCT_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 13 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.02 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQS5EWB3_G998UOYN5EWB3_SPR_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.02 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQU5DVK3_G998UOYN5DVK3_USC_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.02 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQU7EWE5_G998UOYN7EWE5_USC_5file(Flash-Files.Net).zip |
| ⚙️ OS | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.23 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQS9EWI1_G998UOYN9EWI1_TMB_5file(Flash-Files.Net).zip |
| ⚙️ OS | 13 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.32 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U_G998USQS9EWI2_G998UOYN9EWI2_TMB_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 13 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.32 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQS9FWL1_G998UOYN9FWL1_USC_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.58 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQSAFXD3_G998UOYNAFXD3_SPR_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.63 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQSBGXF1_G998UOYNBGXF1_CHA_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.91 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQSBGXF1_G998UOYNBGXF1_USC_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.94 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U_G998USQSCGXF3_G998UOYNCGXF3_ATT_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.94 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQSCGXF3_G998UOYNCGXF3_USC_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.94 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQUCGXGA_G998UOYNCGXGA_USC_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.95 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G996USQSCGXH2_G996UOYNCGXH2_TMB_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 7.95 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQSCGXH2_G998UOYNCGXH2_VZW_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 8.09 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQSCGXH2_G998UOYNCGXH2_CCT_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 7.91 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQSCGXH2_G998UOYNCGXH2_CHA_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.91 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U_G998USQSEGXJ4_G998UOYNEGXJ4_USC_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.94 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQSEGXK3_G998UOYNEGXK3_SPR_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 8 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQSEGXK3_G998UOYNEGXK3_TMB_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 7.95 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQSEGXK3_G998UOYNEGXK3_ATT_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 14 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 7.94 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQSEGXLB_G998UOYNEGXLB_USC_5file(Flash-Files.Net).zip |
| ⚙️ OS | 14 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 7.95 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQUEHYDA_G998UOYNEHYDA_SPR_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 8.12 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U_G998USQUEHYDA_G998UOYNEHYDA_TMB_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 8.12 GB |
| ⚡ Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQUEHYDA_G998UOYNEHYDA_VZW_5file(Flash-Files.Net).zip |
| ⚙️ OS | 15 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 8.19 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQUEHYDA_G998UOYNEHYDA_VZW_5file(Flash-Files.Net).zip |
| ⚙️ OS | 15 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 8.19 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQUEHYDA_G998UOYNEHYDA_USC_5file(Flash-Files.Net).zip |
| ⚙️ OS | 15 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 File Size | 8.12 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQSFHYE2_G998UOYNFHYE2_SPR_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 File Size | 8.12 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U_G998USQSFHYE2_G998UOYNFHYE2_TMB_4file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 8.13 GB |
| ⚡ Flash Tool | |
| 📥 Download | |
| 📄 Package Name | SM-G998U_G998USQSFHYE2_G998UOYNFHYE2_ATT_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 8.12 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQSFHYE2_G998UOYNFHYE2_USC_5file(Flash-Files.Net).zip |
| ⚙️ OS | 15 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 8.12 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 File Name | SM-G998U_G998USQSGHYF2_G998UOYNGHYF2_CCT_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 8.09 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQSGHYF2_G998UOYNGHYF2_CHA_5file(Flash-Files.Net).zip |
| ⚙️ Android Version | 15 |
| 🔧 Flash Method | Guide How to Flash Firmware |
| 📦 Size | 8.09 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
| 📄 Package Name | SM-G998U_G998USQSGHYF2_G998UOYNGHYF2_VZW_5file(Flash-Files.Net).zip |
| ⚙️ OS | 15 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 8.12 GB |
| ⚡ Tool | |
| 📥 Download | |
| 📄 File Name | SM-G998U_G998USQSHHYI1_G998UOYNHHYI1_ATT_5file(Flash-Files.Net).zip |
| ⚙️ OS | 15 |
| 🔧 Install Method | Guide How to Flash Firmware |
| 📦 Size | 8.12 GB |
| ⚡ Flash Tool | |
| 📥 Mirrors | |
🛠️ Essential Tools
Installation Guide: Samsung Galaxy S21 Ultra 5G SM-G998U
Use this guide to install the firmware on your Samsung Galaxy S21 Ultra 5G SM-G998U safely. Make sure your battery is charged.
Phase 1: Setup
Get the firmware and extract it on your PC. Check that you have the Flash Tool and USB Drivers inside the folder.
Step 2: Install Drivers
Setup the provided USB Drivers to ensure your computer detects the Samsung Galaxy S21 Ultra 5G SM-G998U.
Phase 3: Installation
Open the Flash Tool, load the firmware file, and plug in your device as instructed. Click "Start" to begin flashing.
Frequently Asked Questions
Is this Samsung Galaxy S21 Ultra 5G SM-G998U firmware official?
Yes, the firmware provided here is 100% official from the manufacturer for Samsung Galaxy S21 Ultra 5G SM-G998U.
Does flashing Samsung Galaxy S21 Ultra 5G SM-G998U delete data?
Yes, flashing Samsung Galaxy S21 Ultra 5G SM-G998U stock firmware typically wipes user data. Please backup your data before proceeding.
What is the Samsung Galaxy S21 Ultra 5G SM-G998U file size?
The Samsung Galaxy S21 Ultra 5G SM-G998U firmware file size is 7 GB. Make sure you have enough storage space.
Are the download links safe?
Yes, all download links provided are 100% safe and scanned for malware. We provide direct links to official firmware files.
⚠️ Disclaimer: The Samsung Galaxy S21 Ultra 5G SM-G998U firmware provided here is officially released. Installing is done at user's risk. No liability for bricked devices.
If you face any problem flashing Samsung Galaxy S21 Ultra 5G SM-G998U, please leave a comment below.
